From f6c2efed21463e679f08087f31165985a984400e Mon Sep 17 00:00:00 2001 From: Daniel Mason Date: Wed, 4 Jan 2017 12:44:50 +1300 Subject: [PATCH] Fix question --- includes/fullDb.sql | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/includes/fullDb.sql b/includes/fullDb.sql index b5097b6..8b7bbd8 100644 --- a/includes/fullDb.sql +++ b/includes/fullDb.sql @@ -67,7 +67,7 @@ CREATE TABLE `question` ( LOCK TABLES `question` WRITE; /*!40000 ALTER TABLE `question` DISABLE KEYS */; -INSERT INTO `question` VALUES (1,1483169094,'1.1','The Amateur Service may be briefly defined as:',''),(2,1483169094,'1.2','The organisation responsible for the International Radio Regulations is the:',''),(3,1483169094,'1.3','New Zealand\'s views on international radio regulatory matters are coordinated by the:',''),(4,1483169094,'1.4','For regulatory purposes the world is divided into regions each with different radio spectrum allocations. New Zealand is in:',''),(5,1483169094,'1.5','The prime document for the administration of the Amateur Service in New Zealand is the:',''),(6,1483169094,'1.6','The administration of the Amateur Service in New Zealand is by:',''),(7,1483169094,'1.7','An Amateur Station is a station:',''),(8,1483169094,'1.8','A General Amateur Operator Certificate of Competency can be inspected by an authorised officer from the Ministry of Business, Innovation, and Employment:',''),(9,1483169094,'1.9','The fundamental regulations controlling the Amateur Service are to be found in:',''),(10,1483169094,'1.10','You must have a General Amateur Operator Certificate of Competency to:',''),(11,1483169094,'1.11','A New Zealand General Amateur Operator Certificate of Competency allows you to operate:',''),(12,1483169094,'1.12','With a General Amateur Operator Certificate of Competency you may operate transmitters in your station:',''),(13,1483169094,'1.13','You must keep the following document at your amateur station:',''),(14,1483169094,'1.14','An Amateur Station is one which is:',''),(15,1483169094,'1.15','If the qualified operator of an amateur radio station is absent overseas, the home station may be used by:',''),(16,1483169094,'1.16','All amateur stations, regardless of the mode of transmission used, must be equipped with:',''),(17,1483169094,'1.17','An amateur station may transmit unidentified signals:',''),(18,1483169094,'1.18','You may operate your amateur radio station somewhere in New Zealand for short periods away from the location entered in the administration\'s database:',''),(19,1483169094,'1.19','Before operating an amateur station in a motor vehicle, you must:',''),(20,1483169094,'1.20','An applicant for a New Zealand General Amateur Operator Certificate of Competency must first qualify by meeting the appropriate examination requirements. Application may then be made by:',''),(21,1483169094,'1.21','An amateur radio operator must have current New Zealand postal and email addresses so the Ministry of Business, Innovation, and Employment:',''),(22,1483169094,'1.22','If you transmit from another amateur\'s station, the person responsible for its proper operation is:',''),(23,1483169094,'1.23','Your responsibility as a station operator is that you must:',''),(24,1483169094,'1.24','An amateur station must have a qualified operator:',''),(25,1483169094,'1.25','A log-book for recording stations worked:',''),(26,1483169094,'1.26','Unqualified persons in your family cannot transmit using your amateur station if they are alone with your equipment because they must:',''),(27,1483169094,'1.27','Amateur radio repeater equipment and frequencies in New Zealand are co-ordinated by:',''),(28,1483169094,'1.28','A qualified operator of an amateur radio station may permit anyone to:',''),(29,1483169094,'1.29','The minimum age for a person to hold a General Amateur Operator Certificate of Competency is:',''),(30,1483169095,'1.30','If you contact another station and your signal is strong and perfectly readable, you should:',''),(31,1483169095,'1.31','The age when an amateur radio operator is required to surrender the General Amateur Operator Certificate of Competency is:',''),(32,1483169095,'1.32','Peak envelope power (PEP) output is the:',''),(33,1483169095,'1.33','The maximum power output permitted from an amateur station is:',''),(34,1483169095,'1.34','The transmitter power output for amateur stations at all times is:',''),(35,1483169095,'1.35','You identify your amateur station by transmitting your:',''),(36,1483169095,'1.36','This callsign could be allocated to an amateur radio operator in New Zealand:',''),(37,1483169095,'1.37','The callsign of a New Zealand amateur radio station:',''),(38,1483169095,'1.38','These letters are generally used for the first letters in New Zealand amateur radio callsigns:',''),(39,1483169095,'1.39','The figures normally used in New Zealand amateur radio callsigns are:',''),(40,1483169095,'1.40','Before re-issuing, a relinquished callsign is normally kept for:',''),(41,1483169095,'1.41','A General Amateur Operator Certificate of Competency authorises the use of:',''),(42,1483169095,'1.42','General Amateur Operator Certificates of Competency and callsigns are issued pursuant to the Regulations by the:',''),(43,1483169095,'1.43','To replace a written copy of your General Amateur Operator Certificate of Competency you should:',''),(44,1483169095,'1.44','A General Amateur Operator Certificate of Competency holder must advise permanent changes to postal and email addresses and update the official database records within:',''),(45,1483169095,'1.45','A General Amateur Operator Certificate of Competency:',''),(46,1483169095,'1.46','A General Amateur Operator Certificate of Competency is normally issued for:',''),(47,1483169095,'1.47','A licence that provides for a given class of radio transmitter to be used without requiring a licence in the owner’s own name is known as:',''),(48,1483169095,'1.48','The holder of a General Amateur Operator Certificate of Competency may permit anyone to:',''),(49,1483169095,'1.49','International communications on behalf of third parties may be transmitted by an amateur station only if:',''),(50,1483169095,'1.50','The term \"amateur third party communications\" refers to:',''),(51,1483169095,'1.51','The Morse code signal SOS is sent by a station:',''),(52,1483169095,'1.52','If you hear distress traffic and are unable to render assistance, you should:',''),(53,1483169095,'1.53','The transmission of messages in a secret code by the operator of an amateur station is:',''),(54,1483169095,'1.54','Messages from an amateur station in one of the following are expressly forbidden:',''),(55,1483169095,'1.55','The term \"harmful interference\" means:',''),(56,1483169095,'1.56','When interference to the reception of radiocommunications is caused by the operation of an amateur station, the station operator:',''),(57,1483169095,'1.57','An amateur radio operator may knowingly interfere with another radio communication or signal:',''),(58,1483169095,'1.58','After qualifying and gaining a General Amateur Operator Certificate of Competency you are permitted to:',''),(59,1483169095,'1.59','Morse code is permitted for use by:',''),(60,1483169095,'1.60','As a New Zealand amateur radio operator you may communicate with:',''),(61,1483169095,'1.61','As a New Zealand amateur radio operator you:',''),(62,1483169095,'1.62','Your General Amateur Operator Certificate of Competency permits you to:',''),(63,1483169095,'1.63','You hear a station using the callsign “VK3XYZ stroke ZL” on your local VHF repeater. This is:',''),(64,1483169095,'1.64','The abbreviation “HF” refers to the radio spectrum between:',''),(65,1483169095,'1.65','Bandplans showing the transmission modes for New Zealand amateur radio bands are developed and published for the mutual respect and advantage of all operators:',''),(66,1483169095,'1.66','The abbreviation “VHF” refers to the radio spectrum between:',''),(67,1483169095,'1.67','An amateur radio operator must be able to:',''),(68,1483169095,'1.68','An amateur station may be closed down at any time by:',''),(69,1483169095,'1.69','A General Amateur Operator Certificate of Competency:',''),(70,1483169095,'1.70','A person in distress:',''),(71,1483169095,'2.1','Amateur stations are often regarded as \"frequency agile\". This means:',''),(72,1483169095,'2.2','A new amateur radio operator is permitted to:',''),(73,1483169095,'2.3','The frequency limits of the “80 metre band” are:',''),(74,1483169095,'2.4','In New Zealand the frequency limits of the “40 metre band” are:',''),(75,1483169095,'2.5','The frequency limits of the “20 metre band” are:',''),(76,1483169095,'2.6','The frequency limits of the “15 metre band” are:',''),(77,1483169095,'2.7','The frequency limits of the “10 metre band” are:',''),(78,1483169095,'2.8','The frequency limits of the “2 metre band” are:',''),(79,1483169095,'2.9','The frequency limits of the “70 centimetre band” are:',''),(80,1483169095,'2.10','The published bandplans for the New Zealand amateur bands:',''),(81,1483169095,'2.11','Operation on the 130 to 190 kHz band requires:',''),(82,1483169095,'2.12','Two bands where amateur satellites may operate are',''),(83,1483169095,'2.13','The band 50 to 51 MHz is available to:',''),(84,1483169095,'2.14','The following amateur radio band is shared with other services:',''),(85,1483169095,'2.15','The frequency band 146 to 148 MHz is:',''),(86,1483169095,'2.16','The following amateur radio band is shared with another service in New Zealand:',''),(87,1483169095,'2.17','The published New Zealand amateur radio bandplans are:',''),(88,1483169095,'2.18','The following band is allocated to New Zealand amateur radio operators on a primary basis:',''),(89,1483169095,'2.19','When the Amateur Service is a secondary user of a band and another service is the primary user, this means:',''),(90,1483169095,'2.20','This rule applies if two amateur radio stations want to use the same frequency:',''),(91,1483169095,'3.1','The element Silicon is:',''),(92,1483169095,'3.2','An element which falls somewhere between being an insulator and a conductor is called a:',''),(93,1483169095,'3.3','In an atom:',''),(94,1483169095,'3.4','An atom that loses an electron becomes:',''),(95,1483169095,'3.5','An electric current passing through a wire will produce around the conductor:',''),(96,1483169095,'3.6','These magnetic poles repel:',''),(97,1483169095,'3.7','A common use for a magnet is in:',''),(98,1483169095,'3.8','The better conductor of electricity is:',''),(99,1483169095,'3.9','The term describing opposition to electron flow in a metallic circuit is:',''),(100,1483169095,'3.10','The substance which will most readily allow an electric current to flow is:',''),(101,1483169096,'3.11','The plastic coating formed around wire is:',''),(102,1483169096,'3.12','The following is a source of electrical energy:',''),(103,1483169096,'3.13','An important difference between a common torch battery and a lead acid battery is that only the lead acid battery:',''),(104,1483169096,'3.14','As temperature increases, the resistance of a metallic conductor:',''),(105,1483169096,'3.15','In an n-type semiconductor, the current carriers are:',''),(106,1483169096,'3.16','In a p-type semiconductor, the current carriers are:',''),(107,1483169096,'3.17','An electrical insulator:',''),(108,1483169096,'3.18','Four good electrical insulators are:',''),(109,1483169096,'3.19','Three good electrical conductors are:',''),(110,1483169096,'3.20','The name for the flow of electrons in an electric circuit is:',''),(111,1483169096,'4.1','The unit of impedance is the:',''),(112,1483169096,'4.2','One kilohm is:',''),(113,1483169096,'4.3','One kilovolt is equal to:',''),(114,1483169096,'4.4','One quarter of one ampere may be written as:',''),(115,1483169096,'4.5','The watt is the unit of:',''),(116,1483169096,'4.6','The voltage \'two volt\' is also:',''),(117,1483169096,'4.7','The unit for potential difference between two points in a circuit is the:',''),(118,1483169096,'4.8','Impedance is a combination of:',''),(119,1483169096,'4.9','One mA is:',''),(120,1483169096,'4.10','The unit of resistance is the:',''),(121,1483169096,'5.1','The voltage across a resistor carrying current can be calculated using the formula:',''),(122,1483169096,'5.2','A 10 mA current is measured in a 500 ohm resistor. The voltage across the resistor will be:',''),(123,1483169096,'5.3','The value of a resistor to drop 100 volt with a current of 0.8 milliampere is:',''),(124,1483169096,'5.4','I = E/R is a mathematical equation describing:',''),(125,1483169096,'5.5','The voltage to cause a current of 4.4 ampere in a 50 ohm resistance is:',''),(126,1483169096,'5.6','A current of 2 ampere flows through a 16 ohm resistance. The applied voltage is:',''),(127,1483169096,'5.7','A current of 5 ampere in a 50 ohm resistance produces a potential difference of:',''),(128,1483169096,'5.8','This voltage is needed to cause a current of 200 mA to flow in a lamp of 25 ohm resistance:',''),(129,1483169096,'5.9','A current of 0.5 ampere flows through a resistance when 6 volt is applied. To change thecurrent to 0.25 ampere the voltage must be:',''),(130,1483169096,'5.10','The current flowing through a resistor can be calculated by using the formula:',''),(131,1483169096,'5.11','When an 8 ohm resistor is connected across a 12 volt supply the current flow is:',''),(132,1483169096,'5.12','A circuit has a total resistance of 100 ohm and 50 volt is applied across it. The current flow will be:',''),(133,1483169096,'5.13','The following formula gives the resistance of a circuit:',''),(134,1483169096,'5.14','A resistor with 10 volt applied across it and passing a current of 1 mA has a value of:',''),(135,1483169096,'5.15','If a 3 volt battery causes 300 mA to flow in a circuit, the circuit resistance is:',''),(136,1483169096,'5.16','A current of 0.5 ampere flows through a resistor when 12 volt is applied. The value of the resistor is:',''),(137,1483169096,'5.17','The resistor which gives the greatest opposition to current flow is:',''),(138,1483169096,'5.18','The ohm is the unit of:',''),(139,1483169096,'5.19','If a 12 volt battery supplies 0.15 ampere to a circuit, the circuit\'s resistance is:',''),(140,1483169096,'5.20','If a 4800 ohm resistor is connected to a 12 volt battery, the current flow is:',''),(141,1483169096,'6.1','The total resistance in a parallel circuit:',''),(142,1483169096,'6.2','Two resistors are connected in parallel and are connected across a 40 volt battery. If each resistor is 1000 ohms, the total battery current is:',''),(143,1483169096,'6.3','The total current in a parallel circuit is equal to the:',''),(144,1483169096,'6.4','One way to operate a 3 volt bulb from a 9 volt supply is to connect it in:',''),(145,1483169096,'6.5','You can operate this number of identical lamps, each drawing a current of 250 mA, from a 5A supply:',''),(146,1483169096,'6.6','Six identical 2-volt bulbs are connected in series. The supply voltage to cause the bulbs to light normally is:',''),(147,1483169096,'6.7','This many 12 volt bulbs can be arranged in series to form a string of lights to operate from a 240 volt power supply:',''),(148,1483169096,'6.8','Three 10,000 ohm resistors are connected in series across a 90 volt supply. The voltage drop across one of the resistors is:',''),(149,1483169096,'6.9','Two resistors are connected in parallel. R1 is 75 ohm and R2 is 50 ohm. The total resistance of this parallel circuit is:',''),(150,1483169096,'6.10','A dry cell has an open circuit voltage of 1.5 volt. When supplying a large current the voltage drops to 1.2 volt. This is due to the cell\'s:',''),(151,1483169096,'6.11','A 6 ohm resistor is connected in parallel with a 30 ohm resistor. The total resistance of the combination is:',''),(152,1483169096,'6.12','The total resistance of several resistors connected in series is:',''),(153,1483169096,'6.13','Five 10 ohm resistors connected in series give a total resistance of:',''),(154,1483169096,'6.14','Resistors of 10, 270, 3900, and 100 ohm are connected in series. The total resistance is:',''),(155,1483169096,'6.15','This combination of series resistors could replace a single 120 ohm resistor:',''),(156,1483169096,'6.16','If a 2.2 megohm and a 100 kilohm resistor are connected in series, the total resistance is:',''),(157,1483169096,'6.17','If ten resistors of equal value R are wired in parallel, the total resistance is:',''),(158,1483169096,'6.18','The total resistance of four 68 ohm resistors wired in parallel is:',''),(159,1483169096,'6.19','Resistors of 68 ohm, 47 kilohm, 560 ohm and 10 ohm are connected in parallel. The total resistance is:',''),(160,1483169096,'6.20','The following resistor combination can most nearly replace a single 150 ohm resistor:',''),(161,1483169096,'6.21','Two 120 ohm resistors are arranged in parallel to replace a faulty resistor. The faulty resistor had an original value of:',''),(162,1483169096,'6.22','Two resistors are in parallel. Resistor A carries twice the current of resistor B which means that:',''),(163,1483169096,'6.23','The smallest resistance that can be made with five 1 k ohm resistors is:',''),(164,1483169096,'6.24','The following combination of 28 ohm resistors has a total resistance of 42 ohm:',''),(165,1483169096,'6.25','Two 100 ohm resistors connected in parallel are wired in series with a 10 ohm resistor. The total resistance of the combination is:',''),(166,1483169096,'6.26','A 5 ohm and a 10 ohm resistor are wired in series and connected to a 15 volt power supply. The current flowing from the power supply is:',''),(167,1483169096,'6.27','Three 12 ohm resistors are wired in parallel and connected to an 8 volt supply. The total current flow from the supply is:',''),(168,1483169096,'6.28','Two 33 ohm resistors are connected in series with a power supply. If the current flowing is 100 mA, the voltage across one of the resistors is:',''),(169,1483169096,'6.29','A simple transmitter requires a 50 ohm dummy load. You can fabricate this from:',''),(170,1483169096,'6.30','Three 500 ohm resistors are wired in series. Short-circuiting the centre resistor will change the value of the network from:',''),(171,1483169097,'7.1','A transmitter power amplifier requires 30 mA at 300 volt. The DC input power is:',''),(172,1483169097,'7.2','The DC input power of a transmitter operating at 12 volt and drawing 500 milliamp would be:',''),(173,1483169097,'7.3','When two 500 ohm 1 watt resistors are connected in series, the maximum total power that can be dissipated by both resistors is:',''),(174,1483169097,'7.4','When two 1000 ohm 5 watt resistors are connected in parallel, they can dissipate a maximum total power of:',''),(175,1483169097,'7.5','The current in a 100 kilohm resistor is 10 mA. The power dissipated is:',''),(176,1483169097,'7.6','A current of 500 milliamp passes through a 1000 ohm resistance. The power dissipated is:',''),(177,1483169097,'7.7','A 20 ohm resistor carries a current of 0.25 ampere. The power dissipated is:',''),(178,1483169097,'7.8','If 200 volt is applied to a 2000 ohm resistor, the resistor will dissipate:',''),(179,1483169097,'7.9','The power delivered to an antenna is 500 watt. The effective antenna resistance is 20 ohm. The antenna current is:',''),(180,1483169097,'7.10','The unit for power is the:',''),(181,1483169097,'7.11','The following two quantities should be multiplied together to find power:',''),(182,1483169097,'7.12','The following two electrical units multiplied together give the unit \"watt\":',''),(183,1483169097,'7.13','The power dissipation of a resistor carrying a current of 10 mA with 10 volt across it is:',''),(184,1483169097,'7.14','If two 10 ohm resistors are connected in series with a 10 volt battery, the battery load is:',''),(185,1483169097,'7.15','Each of 9 resistors in a circuit is dissipating 4 watt. If the circuit operates from a 12 volt supply, the total current flowing in the circuit is:',''),(186,1483169097,'7.16','Three 18 ohm resistors are connected in parallel across a 12 volt supply. The total powerdissipation of the resistor load is:',''),(187,1483169097,'7.17','A resistor of 10 kilohm carries a current of 20 mA. The power dissipated in the resistor is:',''),(188,1483169097,'7.18','A resistor in a circuit becomes very hot and starts to burn. This is because the resistor is dissipating too much:',''),(189,1483169097,'7.19','A current of 10 ampere rms at a frequency of 50 Hz flows through a 100 ohm resistor. Thepower dissipated is:',''),(190,1483169097,'7.20','The voltage applied to two resistors in series is doubled. The total power dissipated will:',''),(191,1483169097,'8.1','An \'alternating current\' is so called because:',''),(192,1483169097,'8.2','The time for one cycle of a 100 Hz signal is:',''),(193,1483169097,'8.3','A 50 hertz current in a wire means that:',''),(194,1483169097,'8.4','The current in an AC circuit completes a cycle in 0.1 second. So the frequency is:',''),(195,1483169097,'8.5','An impure signal is found to have 2 kHz and 4 kHz components. This 4 kHz signal is:',''),(196,1483169097,'8.6','The correct name for the equivalent of \'one cycle per second\' is one:',''),(197,1483169097,'8.7','One megahertz is equal to:',''),(198,1483169097,'8.8','One GHz is equal to:',''),(199,1483169097,'8.9','The \'rms value\' of a sine-wave signal is:',''),(200,1483169097,'8.10','A sine-wave alternating current of 10 ampere peak has an rms value of:',''),(201,1483169097,'9.1','The total capacitance of two or more capacitors in series is:',''),(202,1483169097,'9.2','Filter capacitors in power supplies are sometimes connected in series to:',''),(203,1483169097,'9.3','A component is identified as a capacitor if its value is measuredin:',''),(204,1483169097,'9.4','Two metal plates separated by air form a 0.001 uF capacitor. Its value maybe changed to 0.002 uF by:',''),(205,1483169097,'9.5','The material separating the plates of a capacitor is the:',''),(206,1483169097,'9.6','Three 15 picofarad capacitors are wired in parallel. The value of thecombination is:',''),(207,1483169097,'9.7','Capacitors and inductors oppose an alternating current. This is known as:',''),(208,1483169097,'9.8','The reactance of a capacitor increases as the:',''),(209,1483169097,'9.9','The reactance of an inductor increases as the:',''),(210,1483169097,'9.10','Increasing the number of turns on an inductor will make its inductance:',''),(211,1483169097,'9.11','The unit of inductance is the:',''),(212,1483169097,'9.12','Two 20 uH inductances are connected in series. The total inductance is:',''),(213,1483169097,'9.13','Two 20 uH inductances are connected in parallel. The total inductance is:',''),(214,1483169097,'9.14','A toroidal inductor is one in which the:',''),(215,1483169097,'9.15','A transformer with 100 turns on the primary winding and 10 turns on thesecondary winding is connected to 230 volt AC mains. The voltage across thesecondary is:',''),(216,1483169097,'9.16','An inductor and a capacitor are connected in series. At the resonantfrequency the resulting impedance is:',''),(217,1483169097,'9.17','An inductor and a capacitor are connected in parallel. At the resonantfrequency the resulting impedance is:',''),(218,1483169097,'9.18','An inductor and a capacitor form a resonant circuit. The capacitor valueis increased by four times. The resonant frequency will:',''),(219,1483169097,'9.19','An inductor and a capacitor form a resonant circuit. If the value of theinductor is decreased by a factor of four, the resonant frequency will:',''),(220,1483169097,'9.20','A \"high Q\" resonant circuit is one which:',''),(221,1483169097,'10.1','You can safely remove an unconscious person from contact with a highvoltage source by:',''),(222,1483169097,'10.2','For your safety, before checking a fault in a mains operated power supplyunit, first:',''),(223,1483169097,'10.3','Wires carrying high voltages in a transmitter should be well insulated toavoid:',''),(224,1483169097,'10.4','A residual current device is recommended for protection in a mains powercircuit because it:',''),(225,1483169097,'10.5','An earth wire should be connected to the metal chassis of amains-operated power supply to ensure that if a fault develops, the chassis:',''),(226,1483169097,'10.6','The purpose of using three wires in the mains power cord and plug onamateur radio equipment is to:',''),(227,1483169097,'10.7','The correct colour coding for the phase wire in a flexible mains lead is:',''),(228,1483169097,'10.8','The correct colour coding for the neutral wire in a flexible mains leadis:',''),(229,1483169097,'10.9','The correct colour coding for the earth wire in a flexible mains lead is:',''),(230,1483169097,'10.10','An isolating transformer is used to:',''),(231,1483169097,'11.1','The basic semiconductor amplifying device is a:',''),(232,1483169097,'11.2','Zener diodes are normally used as:',''),(233,1483169097,'11.3','The voltage drop across a germanium signal diode when conducting isabout:',''),(234,1483169097,'11.4','A bipolar transistor has three terminals named:',''),(235,1483169097,'11.5','The three leads from a PNP transistor are named the:',''),(236,1483169097,'11.6','A low-level signal is applied to a transistor circuit input and ahigher-level signal is present at the output. This effect is known as:',''),(237,1483169097,'11.7','The type of rectifier diode in almost exclusive use in power supplies is:',''),(238,1483169097,'11.8','One important application for diodes is recovering information fromtransmitted signals. This is referred to as:',''),(239,1483169097,'11.9','In a forward biased pn junction, the electrons:',''),(240,1483169097,'11.10','The following material is considered to be a semiconductor:',''),(241,1483169097,'11.11','A varactor diode acts like a variable:',''),(242,1483169097,'11.12','A semiconductor is said to be doped when small quantities of thefollowing are added:',''),(243,1483169097,'11.13','The connections to a semiconductor diode are known as:',''),(244,1483169097,'11.14','Bipolar transistors usually have:',''),(245,1483169098,'11.15','A semiconductor is described as a \"general purpose audio NPN device\".This is a:',''),(246,1483169098,'11.16','Two basic types of bipolar transistors are:',''),(247,1483169098,'11.17','A transistor can be destroyed in a circuit by:',''),(248,1483169098,'11.18','To bias a transistor to cut-off, the base must be:',''),(249,1483169098,'11.19','Two basic types of field effect transistors are:',''),(250,1483169098,'11.20','A semiconductor with leads labelled gate, drain and source, is bestdescribed as a:',''),(251,1483169098,'12.1 ','In the figure shown, 2 represents the:','\"NPN.GIF\"'),(252,1483169098,'12.2 ','In the figure shown, 3 represents the:','\"NPN.GIF\"'),(253,1483169098,'12.3 ','In the figure shown, 2 represents the:','\"PNP.GIF\"'),(254,1483169098,'12.4 ','In the figure shown, 1 represents the:','\"PNP.GIF\"'),(255,1483169098,'12.5 ','In the figure shown, 2 represents the:','\"JFET.GIF\"'),(256,1483169098,'12.6 ','In the figure shown, 3 represents the:','\"JFET.GIF\"'),(257,1483169098,'12.7 ','In the figure shown, 2 represents the:','\"MOSFET.GIF\"'),(258,1483169098,'12.8 ','The figure shown represents a:','\"MOSFET.GIF\"'),(259,1483169098,'12.9 ','In the figure shown, 3 represents the:','\"TETRODE.GIF\"'),(260,1483169098,'12.10 ','In the figure shown, 5 represents the:','\"TETRODE.GIF\"'),(261,1483169098,'13.1','An ohmmeter measures the:',''),(262,1483169098,'13.2','A VSWR meter switched to the \"reverse\" position provides an indicationof:',''),(263,1483169098,'13.3','The correct instrument for measuring the supply current to an amplifieris a:',''),(264,1483169098,'13.4','The following meter could be used to measure the power supply currentdrawn by a small hand-held transistorised receiver:',''),(265,1483169098,'13.5','When measuring the current drawn by a light bulb from a DC supply, themeter will act in circuit as:',''),(266,1483169098,'13.6','When measuring the current drawn by a receiver from a power supply, thecurrent meter should be placed:',''),(267,1483169098,'13.7','An ammeter should not be connected directly across the terminals of a 12volt car battery because:',''),(268,1483169098,'13.8','A good ammeter should have:',''),(269,1483169098,'13.9','A good voltmeter should have:',''),(270,1483169098,'13.10','An rms-reading voltmeter is used to measure a 50 Hz sinewave of knownpeak voltage 14 volt. The meter reading will be about:',''),(271,1483169098,'14.1','The input to an amplifier is 1 volt rms and the output 10 volt rms. This is anincrease of:',''),(272,1483169098,'14.2','The input to an amplifier is 1 volt rms and output 100 volt rms. This is anincrease of:',''),(273,1483169098,'14.3','An amplifier has a gain of 40 dB. The ratio of the rms output voltage to the rmsinput voltage is:',''),(274,1483169098,'14.4','A transmitter power amplifier has a gain of 20 dB. The ratio of the outputpower to the input power is:',''),(275,1483169098,'14.5','An attenuator network comprises two 100 ohm resistors in series with the inputapplied across both resistors and the output taken from across one of them. Thevoltage attenuation of the network is:',''),(276,1483169098,'14.6','An attenuator network has 10 volt rms applied to its input with 1 volt rmsmeasured at its output. The attenuation of the network is:',''),(277,1483169098,'14.7','An attenuator network has 10 volt rms applied to its input with 5 volt rmsmeasured at its output. The attenuation of the network is:',''),(278,1483169098,'14.8','Two amplifiers with gains of 10 dB and 40 dB are connected in cascade. Thegain of the combination is:',''),(279,1483169098,'14.9','An amplifier with a gain of 20 dB has a -10 dB attenuator connected in cascade.The gain of the combination is:',''),(280,1483169098,'14.10','Each stage of a three-stage amplifier provides 5 dB gain. The totalamplification is:',''),(281,1483169098,'15.1','In the block diagram shown, the \"linear amplifier\" is:','\"HFSTA.GIF\"'),(282,1483169098,'15.2','In the block diagram shown, the additional signal path above the\"linear amplifier\" block indicates that:','\"HFSTA.GIF\"'),(283,1483169098,'15.3','In the block diagram shown, the \"low pass filter\" must be rated to:','\"HFSTA.GIF\"'),(284,1483169098,'15.4','In the block diagram shown, the \"SWR bridge\" is a:','\"HFSTA.GIF\"'),(285,1483169098,'15.5','In the block diagram shown, the \"antenna switch\":','\"HFSTA.GIF\"'),(286,1483169098,'15.6','In the block diagram shown, the \"antenna tuner\":','\"HFSTA.GIF\"'),(287,1483169098,'15.7','In the block diagram shown, the \"dummy load\" is:','\"HFSTA.GIF\"'),(288,1483169098,'15.8','In the block diagram shown, the connection between the SWR bridge and theantenna switch is normally a:','\"HFSTA.GIF\"'),(289,1483169098,'15.9','In this block diagram, the block designated \"antenna tuner\" is not normally necessary when:','\"HFSTA.GIF\"'),(290,1483169098,'15.10','In the block diagram shown, the connection between the \"antenna tuner\"and the \"antenna\" could be made with:','\"HFSTA.GIF\"'),(291,1483169098,'16.1','In the block diagram of the receiver shown, the \"RF amplifier\":','\"SSBRX.GIF\"'),(292,1483169098,'16.2','In the block diagram of the receiver shown, the \"mixer\":','\"SSBRX.GIF\"'),(293,1483169098,'16.3','In the block diagram of the receiver shown, the output frequency of the\"oscillator\" is:','\"SSBRX.GIF\"'),(294,1483169098,'16.4','In the block diagram of the receiver shown, the \"filter\" rejects:','\"SSBRX.GIF\"'),(295,1483169098,'16.5','In the block diagram of the receiver shown, the \"IF amplifier\" is an:','\"SSBRX.GIF\"'),(296,1483169098,'16.6','In the block diagram of the receiver shown, the \"product detector\":','\"SSBRX.GIF\"'),(297,1483169098,'16.7','In the block diagram of the receiver shown, the \"AF amplifier\":','\"SSBRX.GIF\"'),(298,1483169098,'16.8','In the block diagram of the receiver shown, the \"BFO\" stands for:','\"SSBRX.GIF\"'),(299,1483169098,'16.9','In the block diagram of the receiver shown, most of the receiver gain is in the:','\"SSBRX.GIF\"'),(300,1483169098,'16.10','In the block diagram of the receiver shown, the \"RF amplifier\":','\"FMRX.GIF\"'),(301,1483169098,'16.11','In the block diagram of the receiver shown, the \"mixer\":','\"FMRX.GIF\"'),(302,1483169098,'16.12','In the receiver shown, when receiving a signal, the output frequency of the \"oscillator\" is:','\"FMRX.GIF\"'),(303,1483169098,'16.13','In the block diagram of the receiver shown, the \"limiter\":','\"FMRX.GIF\"'),(304,1483169098,'16.14','In the block diagram of the receiver shown, the \"frequency demodulator\"could be implemented with a:','\"FMRX.GIF\"'),(305,1483169098,'16.15','In the block diagram of the receiver shown, the \"AF amplifier\":','\"FMRX.GIF\"'),(306,1483169098,'16.16','In this receiver, an audio frequency gain controlwould be associated with the block labelled:','\"FMRX.GIF\"'),(307,1483169098,'16.17','In the block diagram of the receiver shown, the selectivity would be set by the:','\"FMRX.GIF\"'),(308,1483169098,'16.18','In the FM communications receiver shown in the block diagram, the \"filter\"bandwidth is typically:','\"FMRX.GIF\"'),(309,1483169098,'16.19','In the block diagram of the receiver shown, an automatic gaincontrol (AGC) circuit would be associated with the:','\"FMRX.GIF\"'),(310,1483169099,'16.20','In the block diagram of the receiver shown, the waveform produced by the\"oscillator\" would ideally be a:','\"FMRX.GIF\"'),(311,1483169099,'17.1','The frequency stability of a receiver is its ability to:',''),(312,1483169099,'17.2','The sensitivity of a receiver specifies:',''),(313,1483169099,'17.3','Of two receivers, the one capable of receiving the weakest signal will have:',''),(314,1483169099,'17.4','The figure in a receiver\'s specifications which indicates its sensitivity is the:',''),(315,1483169099,'17.5','If two receivers are compared, the more sensitive receiver will produce:',''),(316,1483169099,'17.6','The ability of a receiver to separate signals close in frequency is called its:',''),(317,1483169099,'17.7','A receiver with high selectivity has a:',''),(318,1483169099,'17.8','The BFO in a superhet receiver operates on a frequency nearest to that of its:',''),(319,1483169099,'17.9','To receive Morse code signals, a BFO is employed in a superhet receiver to:',''),(320,1483169099,'17.10','The following transmission mode is usually demodulated by a product detector:',''),(321,1483169099,'17.11','A superhet receiver for SSB reception has an insertion oscillator to:',''),(322,1483169099,'17.12','A stage in a receiver with input and output circuits tuned to the received frequency is the:',''),(323,1483169099,'17.13','An RF amplifier ahead of the mixer stage in a superhet receiver:',''),(324,1483169099,'17.14','A communication receiver may have several IF filters of different bandwidths. The operator selects one to:',''),(325,1483169099,'17.15','The stage in a superhet receiver with a tuneable input and fixed tuned output is the:',''),(326,1483169099,'17.16','The mixer stage of a superhet receiver:',''),(327,1483169099,'17.17','A 7 MHz signal and a 16 MHz oscillator are applied to a mixer stage. The output will contain the input frequencies and:',''),(328,1483169099,'17.18','Selectivity in a superhet receiver is achieved primarily in the:',''),(329,1483169099,'17.19','The abbreviation AGC means:',''),(330,1483169099,'17.20','The AGC circuit in a receiver usually controls the:',''),(331,1483169099,'17.21','The tuning control of a superhet receiver changes the tuned frequency of the:',''),(332,1483169099,'17.22','A superhet receiver, with an IF at 500 kHz, is receiving a 14 MHz signal. The local oscillator frequency is:',''),(333,1483169099,'17.23','An audio amplifier is necessary in an AM receiver because:',''),(334,1483169099,'17.24','The audio output transformer in a receiver is required to:',''),(335,1483169099,'17.25','If the carrier insertion oscillator is counted, then a single conversion superhet receiver has:',''),(336,1483169099,'17.26','A superhet receiver, with a 500 kHz IF, is receiving a signal at 21.0 MHz. A strong unwanted signal at 22 MHz is interfering. The cause is:',''),(337,1483169099,'17.27','A superhet receiver receives an incoming signal of 3540 kHz and the local oscillator produces a signal of 3995 kHz. The IF amplifier is tuned to:',''),(338,1483169099,'17.28','A double conversion receiver designed for SSB reception has a carrier insertion oscillator and:',''),(339,1483169099,'17.29','An advantage of a double conversion receiver is that it:',''),(340,1483169099,'17.30','A receiver squelch circuit:',''),(341,1483169099,'18.1','In the transmitter block diagram shown, the \"oscillator\":','\"SSBTX.GIF\"'),(342,1483169099,'18.2','In the transmitter block diagram shown, the \"balanced modulator\":','\"SSBTX.GIF\"'),(343,1483169099,'18.3','In the transmitter block diagram shown, the \"filter\":','\"SSBTX.GIF\"'),(344,1483169099,'18.4','In the transmitter block diagram shown, the \"mixer\":','\"SSBTX.GIF\"'),(345,1483169099,'18.5','In the transmitter block diagram shown, the \"linear amplifier\":','\"SSBTX.GIF\"'),(346,1483169099,'18.6','In the transmitter block diagram shown, the \"VFO\" is:','\"SSBTX.GIF\"'),(347,1483169099,'18.7','In the transmitter block diagram shown, the \"master oscillator\" produces:','\"CWTX.GIF\"'),(348,1483169099,'18.8','In the transmitter block diagram shown, the \"driver buffer\":','\"CWTX.GIF\"'),(349,1483169099,'18.9','In the transmitter block diagram shown, the \"Morse key\":','\"CWTX.GIF\"'),(350,1483169099,'18.10','In the transmitter block diagram shown, the \"power amplifier\":','\"CWTX.GIF\"'),(351,1483169099,'18.11','In the transmitter block diagram shown, the \"speech amplifier\":','\"FMTX.GIF\"'),(352,1483169099,'18.12','In the transmitter block diagram shown, the \"modulator\":','\"FMTX.GIF\"'),(353,1483169099,'18.13','In the transmitter block diagram shown, the \"oscillator\" is:','\"FMTX.GIF\"'),(354,1483169099,'18.14','In the transmitter block diagram shown, the \"frequency multiplier\":','\"FMTX.GIF\"'),(355,1483169099,'18.15','In the transmitter block diagram shown, the \"power amplifier\":','\"FMTX.GIF\"'),(356,1483169099,'18.16','The signal from an amplitude modulated transmitter consists of:',''),(357,1483169099,'18.17','The signal from a frequency modulated transmitter has:',''),(358,1483169099,'18.18','The signal from a balanced modulator consists of:',''),(359,1483169099,'18.19','The signal from a CW transmitter consists of:',''),(360,1483169099,'18.20','The following signal can be amplified using a non-linearamplifier:',''),(361,1483169099,'19.1','Morse code is usually transmitted by radio as:',''),(362,1483169099,'19.2','To obtain high frequency stability in a transmitter, the VFO should be:',''),(363,1483169099,'19.3','SSB transmissions:',''),(364,1483169099,'19.4','The purpose of a balanced modulator in a SSB transmitter is to:',''),(365,1483169099,'19.5','Several stations advise that your FM simplex transmission in the \"two metre\" band isdistorted. The cause might be that:',''),(366,1483169099,'19.6','The driver stage of a transmitter is located:',''),(367,1483169099,'19.7','The purpose of the final amplifier in a transmitter is to:',''),(368,1483169099,'19.8','The difference between DC input power and RF power output of a transmitter RF amplifier:',''),(369,1483169099,'19.9','The process of modulation allows:',''),(370,1483169099,'19.10','The output power rating of a linear amplifier in a SSB transmitter is specified by the:',''),(371,1483169099,'20.1','A harmonic of a signal transmitted at 3525 kHz would be expected to occur at:',''),(372,1483169099,'20.2','The third harmonic of 7 MHz is:',''),(373,1483169099,'20.3','The fifth harmonic of 7 MHz is:',''),(374,1483169099,'20.4','Excessive harmonic output may be produced in a transmitter by:',''),(375,1483169099,'20.5','Harmonics may be produced in the RF power amplifier of a transmitter if:',''),(376,1483169100,'20.6','Harmonics produced in an early stage of a transmitter may be reduced in a later stage by:',''),(377,1483169100,'20.7','Harmonics are produced when:',''),(378,1483169100,'20.8','Harmonic frequencies are:',''),(379,1483169100,'20.9','An interfering signal from a transmitter has a frequency of 57 MHz. This signal could be the:',''),(380,1483169100,'20.10','To minimise the radiation of one particular harmonic, one can use a:',''),(381,1483169100,'20.11','A low-pass filter is used in the antenna lead from a transmitter:',''),(382,1483169100,'20.12','The following is installed in the transmission line as close as possible to a HF transmitter to reduce harmonic output:',''),(383,1483169100,'20.13','A low pass filter will:',''),(384,1483169100,'20.14','A spurious transmission from a transmitter is:',''),(385,1483169100,'20.15','A parasitic oscillation:',''),(386,1483169100,'20.16','Parasitic oscillations in a RF power amplifier can be suppressed by:',''),(387,1483169100,'20.17','Parasitic oscillations in the RF power amplifier stage of a transmitter may occur:',''),(388,1483169100,'20.18','Transmitter power amplifiers can generate parasitic oscillations on:',''),(389,1483169100,'20.19','Parasitic oscillations tend to occur in:',''),(390,1483169100,'20.20','Parasitic oscillations can cause interference. They are:',''),(391,1483169100,'21.1','A mains operated DC power supply:',''),(392,1483169100,'21.2','The following unit in a DC power supply performs a rectifying operation:',''),(393,1483169100,'21.3','The following unit in a DC power supply performs a smoothing operation:',''),(394,1483169100,'21.4','The following could power a solid-state 10 watt VHF transceiver:',''),(395,1483169100,'21.5','A fullwave DC power supply operates from the New Zealand AC mains. The ripplefrequency is:',''),(396,1483169100,'21.6','The capacitor value best suited for smoothing the output of a 12 volt 1 amp DC power supply is:',''),(397,1483169100,'21.7','The following should always be included as a standard protection device in any powersupply:',''),(398,1483169100,'21.8','A halfwave DC power supply operates from the New Zealand AC mains. The ripplefrequency will be:',''),(399,1483169100,'21.9','The output voltage of a DC power supply decreases when current is drawn from it because:',''),(400,1483169100,'21.10','Electrolytic capacitors are used in power supplies because:',''),(401,1483169100,'22.1','The block marked \'Filter\' in the diagram is to:','\"REGPS.GIF\"'),(402,1483169100,'22.2','The block marked \'Regulator\' in the diagram is to:','\"REGPS.GIF\"'),(403,1483169100,'22.3','The block marked \'Transformer\' in the diagram is to:','\"REGPS.GIF\"'),(404,1483169100,'22.4','The block marked \'Rectifier\' in the diagram is to:','\"REGPS.GIF\"'),(405,1483169100,'22.5','The block marked \'Regulator\' in the diagram could consist of:','\"REGPS.GIF\"'),(406,1483169100,'22.6','In the block marked regulator in the diagram below, a reversed diode may be present across the regulator. Its job is to','\"REGPS.GIF\"'),(407,1483169100,'22.7','A power supply is to power a solid-state transceiver. A suitableover-voltage protection device is a:',''),(408,1483169100,'22.8','In a regulated power supply, the \'crowbar\' is a:',''),(409,1483169100,'22.9','In a regulated power supply, \'current limiting\' is sometimes used to:',''),(410,1483169100,'22.10','The purpose of a series pass transistor in a regulated power supply isto:',''),(411,1483169100,'23.1','The correct order for callsigns in a callsign exchange at the start and end of a transmission is:',''),(412,1483169100,'23.2','The following phonetic code is correct for the callsign \"ZL1AN\":',''),(413,1483169100,'23.3','The accepted way to call \"CQ\" with a SSB transceiver is:',''),(414,1483169100,'23.4','A signal report of \"5 and 1\" indicates:',''),(415,1483169100,'23.5','The correct phonetic code for the callsign VK5ZX is:',''),(416,1483169100,'23.6','The accepted way to announce that you are listening to a VHF repeater is:',''),(417,1483169100,'23.7','A rare DX station calling CQ on CW and repeating \"up 2\" at the end of the call means thestation:',''),(418,1483169100,'23.8','When conversing via a VHF or UHF repeater you should pause between overs for about:',''),(419,1483169100,'23.9','Before calling CQ on the HF bands, you should:',''),(420,1483169100,'23.10','The phrase \"you are fully quieting the repeater\" means:',''),(421,1483169100,'24.1','You are mobile and talking through a VHF repeater. The other station reports that you keep\"dropping out\". This means:',''),(422,1483169100,'24.2','A \"pileup\" is:',''),(423,1483169100,'24.3','\"Break-in keying\" means:',''),(424,1483169100,'24.4','A repeater operating with a \"positive 600 kHz split\":',''),(425,1483169100,'24.5','The standard frequency offset (split) for 2 metre repeaters in New Zealand is:',''),(426,1483169100,'24.6','The standard frequency offset (split) for 70 cm repeaters in New Zealand is plus or minus:',''),(427,1483169100,'24.7','You are adjusting an antenna matching unit using an SWR bridge. You should adjust for:',''),(428,1483169100,'24.8','The \"squelch\" or \"muting\" circuitry on a VHF receiver:',''),(429,1483169100,'24.9','The \"S meter\" on a receiver:',''),(430,1483169100,'24.10','The \"National System\" is:',''),(431,1483169100,'24.11','A noise blanker on a receiver is most effective to reduce:',''),(432,1483169100,'24.12','The purpose of a VOX unit in a transceiver is to:',''),(433,1483169100,'24.13','\"VOX\" stands for:',''),(434,1483169100,'24.14','\"RIT\" stands for:',''),(435,1483169100,'24.15','The \"RIT\" control on a transceiver:',''),(436,1483169101,'24.16','The \"split frequency\" function on a transceiver allows the operator to:',''),(437,1483169101,'24.17','The term \"ALC\" stands for:',''),(438,1483169101,'24.18','The AGC circuit is to:',''),(439,1483169101,'24.19','Many receivers have both RF and AF gain controls. These allow the operator to:',''),(440,1483169101,'24.20','The term \"PTT\" means:',''),(441,1483169101,'25.1','The signal \"QRM\" means:',''),(442,1483169101,'25.2','The signal \"QRN\" means:',''),(443,1483169101,'25.3','The \"Q signal\" requesting the other station to send slower is:',''),(444,1483169101,'25.4','The question \"Who is calling me?\" is asked by:',''),(445,1483169101,'25.5','The \"Q\" signal \"what is your location?\" is:',''),(446,1483169101,'25.6','The \"Q\" signal \"are you busy?\" is:',''),(447,1483169101,'25.7','The \"Q\" signal \"shall I decrease transmitter power?\" is:',''),(448,1483169101,'25.8','The \"Q\" signal \"your signals are fading\" is:',''),(449,1483169101,'25.9','The signal \"QSY?\" means:',''),(450,1483169101,'25.10','The \"Q\" signal which means \"send faster\" is:',''),(451,1483169101,'26.1','Any length of transmission line may be made to appear as an infinitelylong line by:',''),(452,1483169101,'26.2','The characteristic impedance of a transmission line is determined by the:',''),(453,1483169101,'26.3','The characteristic impedance of a 20 metre length of transmission line is52 ohm. If 10 metres is cut off, the impedance will be:',''),(454,1483169101,'26.4','The following feeder is the best match to the base of a quarter waveground plane antenna:',''),(455,1483169101,'26.5','The designed output impedance of the antenna socket of most moderntransmitters is nominally:',''),(456,1483169101,'26.6','To obtain efficient transfer of power from a transmitter to an antenna,it is important that there is a:',''),(457,1483169101,'26.7','A coaxial feedline is constructed from:',''),(458,1483169101,'26.8','An RF transmission line should be matched at the transmitter end to:',''),(459,1483169101,'26.9','A damaged antenna or feedline attached to the output of a transmitterwill present an incorrect load resulting in:',''),(460,1483169101,'26.10','A result of mismatch between the power amplifier of a transmitter andthe antenna is:',''),(461,1483169101,'26.11','Losses occurring on a transmission line between a transmitter andantenna result in:',''),(462,1483169101,'26.12','If the characteristic impedance of a feedline does not match the antennainput impedance then:',''),(463,1483169101,'26.13','A result of standing waves on a non-resonant transmission line is:',''),(464,1483169101,'26.14','A quarter-wave length of 50-ohm coaxial line is shorted at one end. Theimpedance seen at the other end of the line is:',''),(465,1483169101,'26.15','A switching system to use a single antenna for a separate transmitterand receiver should also:',''),(466,1483169101,'26.16','An instrument to check whether RF power in the transmission line istransferred to the antenna is:',''),(467,1483169101,'26.17','This type of transmission line will exhibit the lowest loss:',''),(468,1483169101,'26.18','The velocity factor of a coaxial cable with solid polythene dielectricis about:',''),(469,1483169101,'26.19','This commonly available antenna feedline can be buried directly in theground for some distance without adverse effects:',''),(470,1483169101,'26.20','If an antenna feedline must pass near grounded metal objects, thefollowing type should be used:',''),(471,1483169101,'27.1 ','In this diagram the item U corresponds to the:','\"YAGI.GIF\"'),(472,1483169101,'27.2 ','In this diagram the item V corresponds to the:','\"YAGI.GIF\"'),(473,1483169101,'27.3 ','In this diagram the item X corresponds to the:','\"YAGI.GIF\"'),(474,1483169101,'27.4 ','The antenna in this diagram has two equal lengths of wire shown as \'X\' forming','\"DIPOLE.GIF\"'),(475,1483169101,'27.5 ','The antenna in this diagram can be made to operate on several bands if the','\"DIPOLE.GIF\"'),(476,1483169101,'27.6 ','The physical length of the antenna shown in this diagram can be shortened and','\"DIPOLE.GIF\"'),(477,1483169101,'27.7','The approximate physical length of a half-wave antenna for a frequency of1000 kHz is:',''),(478,1483169101,'27.8','The wavelength for a frequency of 25 MHz is:',''),(479,1483169101,'27.9','Magnetic and electric fields about an antenna are:',''),(480,1483169101,'27.10','Radio wave polarisation is defined by the orientation of the radiated:',''),(481,1483169101,'27.11','A half wave dipole antenna is normally fed at the point of:',''),(482,1483169101,'27.12','An important factor to consider when high angle radiation is desiredfrom a horizontal half-wave antenna is the:',''),(483,1483169101,'27.13','An antenna which transmits equally well in all compass directions is a:',''),(484,1483169101,'27.14','A groundplane antenna emits a:',''),(485,1483169101,'27.15','The impedance at the feed point of a folded dipole antenna isapproximately:',''),(486,1483169101,'27.16','The centre impedance of a \'half-wave\' dipole in \'free space\' isapproximately:',''),(487,1483169101,'27.17','The effect of adding a series inductance to an antenna is to:',''),(488,1483169101,'27.18','The purpose of a balun in a transmitting antenna system is to:',''),(489,1483169101,'27.19','A dummy antenna:',''),(490,1483169101,'27.20','A half-wave antenna resonant at 7100 kHz is approximately this long:',''),(491,1483169101,'27.21','An antenna with 20 metres of wire each side of a centre insulator willbe resonant at approximately:',''),(492,1483169101,'27.22','A half wave antenna cut for 7 MHz can be used on this band withoutchange:',''),(493,1483169101,'27.23','This property of an antenna broadly defines the range of frequencies towhich it will be effective:',''),(494,1483169101,'27.24','The resonant frequency of an antenna may be increased by:',''),(495,1483169101,'27.25','Insulators are used at the end of suspended antenna wires to:',''),(496,1483169102,'27.26','To lower the resonant frequency of an antenna, the operator should:',''),(497,1483169102,'27.27','A half-wave antenna is often called a:',''),(498,1483169102,'27.28','The resonant frequency of a dipole antenna is mainly determined by:',''),(499,1483169102,'27.29','A transmitting antenna for 28 MHz for mounting on the roof of a carcould be a:',''),(500,1483169102,'27.30','A vertical antenna which uses a flat conductive surface at its base isthe:',''),(501,1483169102,'27.31','The main characteristic of a vertical antenna is that it:',''),(502,1483169102,'27.32','At the ends of a half-wave dipole the:',''),(503,1483169102,'27.33','An antenna type commonly used on HF is the:',''),(504,1483169102,'27.34','A Yagi antenna is said to have a power gain over a dipole antenna forthe same frequency band because:',''),(505,1483169102,'27.35','The maximum radiation from a three element Yagi antenna is:',''),(506,1483169102,'27.36','The reflector and director(s) in a Yagi antenna are called:',''),(507,1483169102,'27.37','An isotropic antenna is a:',''),(508,1483169102,'27.38','The main reason why many VHF base and mobile antennas in amateur use are5/8 of a wavelength long is that:',''),(509,1483169102,'27.39','A more important consideration when selecting an antenna for workingstations at great distances is:',''),(510,1483169102,'27.40','On VHF and UHF bands, polarisation of the receiving antenna is importantin relation to the transmitting antenna, but on HF it is relatively unimportantbecause:',''),(511,1483169102,'28.1','A \'skip zone\' is:',''),(512,1483169102,'28.2','The medium which reflects high frequency radio waves back to the earth\'ssurface is called the:',''),(513,1483169102,'28.3','The highest frequency that will be reflected back to the earth at any given timeis known as the:',''),(514,1483169102,'28.4','All communications frequencies throughout the spectrum are affected invarying degrees by the:',''),(515,1483169102,'28.5','Solar cycles have an average length of:',''),(516,1483169102,'28.6','The \'skywave\' is another name for the:',''),(517,1483169102,'28.7','The polarisation of an electromagnetic wave is defined by the direction of:',''),(518,1483169102,'28.8','That portion of HF radiation which is directly affected by the surface of theearth is called:',''),(519,1483169102,'28.9','Radio wave energy on frequencies below 4 MHz during daylight hours isalmost completely absorbed by this ionospheric layer:',''),(520,1483169102,'28.10','Because of high absorption levels at frequencies below 4 MHz during daylighthours, only high angle signals are normally reflected back by this layer:',''),(521,1483169102,'28.11','Scattered patches of high ionisation developed seasonally at the height of oneof the layers is called:',''),(522,1483169102,'28.12','For long distance propagation, the radiation angle of energy from the antennashould be:',''),(523,1483169102,'28.13','The path radio waves normally follow from a transmitting antenna to areceiving antenna at VHF and higher frequencies is a:',''),(524,1483169102,'28.14','A radio wave may follow two or more different paths during propagation andproduce slowly-changing phase differences between signals at the receiverresulting in a phenomenon called:',''),(525,1483169102,'28.15','The distance from the far end of the ground wave to the nearest point where the sky wavereturns to the earth is called the:',''),(526,1483169102,'28.16','High Frequency long-distance propagation is most dependent on:',''),(527,1483169102,'28.17','The layer of the ionosphere mainly responsible for long distancecommunication is:',''),(528,1483169102,'28.18','The ionisation level of the ionosphere reaches its minimum:',''),(529,1483169102,'28.19','One of the ionospheric layers splits into two parts during the day called:',''),(530,1483169102,'28.20','Signal fadeouts resulting from an \'ionospheric storm\' or \'sudden ionosphericdisturbance\' are usually attributed to:',''),(531,1483169102,'28.21',' The 80 metre band is useful for working:',''),(532,1483169102,'28.22','The skip distance of radio signals is determined by the:',''),(533,1483169102,'28.23','Three recognised layers of the ionosphere that affect radio propagation are:',''),(534,1483169102,'28.24','Propagation on 80 metres during the summer daylight hours is limited torelatively short distances because of',''),(535,1483169102,'28.25','The distance from the transmitter to the nearest point where the sky wavereturns to the earth is called the:',''),(536,1483169102,'28.26','A variation in received signal strength caused by slowly changing differencesin path lengths is called:',''),(537,1483169102,'28.27','VHF and UHF bands are frequently used for satellite communication because:',''),(538,1483169102,'28.28','The \'critical frequency\' is defined as the:',''),(539,1483169102,'28.29','The speed of a radio wave:',''),(540,1483169102,'28.30','The MUF for a given radio path is the:',''),(541,1483169102,'28.31','The position of the E layer in the ionosphere is:',''),(542,1483169102,'28.32','A distant amplitude-modulated station is heard quite loudly but the modulationis at times severely distorted. A similar local station is not affected. Theprobable cause of this is:',''),(543,1483169102,'28.33','Skip distance is a term associated with signals through the ionosphere. Skipeffects are due to:',''),(544,1483169102,'28.34','The type of atmospheric layers which will best return signals to earth are:',''),(545,1483169102,'28.35','The ionosphere:',''),(546,1483169102,'28.36','The skip distance of a sky wave will be greatest when the:',''),(547,1483169102,'28.37','If the height of the reflecting layer of the ionosphere increases, the skipdistance of a high frequency transmission:',''),(548,1483169102,'28.38','If the frequency of a transmitted signal is so high that we no longer receive areflection from the ionosphere, the signal frequency is above the:',''),(549,1483169102,'28.39','A \'line of sight\' transmission between two stations uses mainly the:',''),(550,1483169102,'28.40','The distance travelled by ground waves in air:',''),(551,1483169102,'28.41','The radio wave from the transmitter to the ionosphere and back to earth iscorrectly known as the:',''),(552,1483169102,'28.42','Reception of high frequency radio waves beyond 4000 km normally occurs bythe:',''),(553,1483169102,'28.43','A 28 MHz radio signal is more likely to be heard over great distances:',''),(554,1483169102,'28.44','The number of high frequency bands open to long distance communication atany time depends on:',''),(555,1483169102,'28.45','Regular changes in the ionosphere occur approximately every 11:',''),(556,1483169102,'28.46','When a HF transmitted radio signal reaches a receiver, small changes in theionosphere can cause:',''),(557,1483169102,'28.47','The usual effect of ionospheric storms is to:',''),(558,1483169102,'28.48','Changes in received signal strength when sky wave propagation is used arecalled:',''),(559,1483169102,'28.49','Although high frequency signals may be received from a distant station by asky wave at a certain time, it may not be possible to hear them an hour later.This may be due to:',''),(560,1483169103,'28.50','VHF or UHF signals transmitted towards a tall building are often received at amore distant point in another direction because:',''),(561,1483169103,'29.1','Electromagnetic compatibility is:',''),(562,1483169103,'29.2','On an amateur receiver, unwanted signals are found at every 15.625 kHz. This is probably due to:',''),(563,1483169103,'29.3','Narrow-band interference can be caused by:',''),(564,1483169103,'29.4','Which of the following is most likely to cause broad-band continuous interference:',''),(565,1483169103,'29.5','If broadband noise interference varies when it rains, the most likely cause could be from:',''),(566,1483169103,'29.6','Before explaining to a neighbour that the reported interference is due to a lack of immunity in the neighbour\'s electronic equipment:',''),(567,1483169103,'29.7','A neighbour\'s stereo system is suffering RF break-through. One possible cure is to:',''),(568,1483169103,'29.8','When living in a densely-populated area, it is wise to:',''),(569,1483169103,'29.9','When someone in the neighbourhood complains of TVI it is wise to:',''),(570,1483169103,'29.10','Cross-modulation is usually caused by:',''),(571,1483169103,'29.11','When the signal from a transmitter overloads the audio stages of a broadcast receiver, the transmitted signal:',''),(572,1483169103,'29.12','Cross-modulation of a broadcast receiver by a nearby transmitter would be noticed in the receiver as:',''),(573,1483169103,'29.13','Unwanted signals from a radio transmitter which cause harmful interference to other users are known as:',''),(574,1483169103,'29.14','To reduce harmonic output from a transmitter, the following could be put in the transmission line as close to thetransmitter as possible:',''),(575,1483169103,'29.15','To reduce energy from an HF transmitter getting into a television receiver, the following could be placed in the TV antenna lead as close to the TV as possible:',''),(576,1483169103,'29.16','A low-pass filter used to eliminate the radiation of unwanted signals is connected to the:',''),(577,1483169103,'29.17','A band-pass filter will:',''),(578,1483169103,'29.18','A band-stop filter will:',''),(579,1483169103,'29.19','A low-pass filter for a high frequency transmitter output would:',''),(580,1483169103,'29.20','Installing a low-pass filter between the transmitter and transmission line will:',''),(581,1483169103,'29.21','A low-pass filter may be used in an amateur radio installation:',''),(582,1483169103,'29.22','Television interference caused by harmonics radiated from an amateur transmitter could be eliminated by fitting:',''),(583,1483169103,'29.23','A high-pass filter can be used to:',''),(584,1483169103,'29.24','A high-pass RF filter would normally be fitted:',''),(585,1483169103,'29.25','A high-pass filter attenuates:',''),(586,1483169103,'29.26','An operational amplifier connected as a filter always utilises:',''),(587,1483169103,'29.27','The voltage gain of an operational amplifier at low frequencies is:',''),(588,1483169103,'29.28','The input impedance of an operational amplifier is generally:',''),(589,1483169103,'29.29','An active audio low-pass filter could be constructed using:',''),(590,1483169103,'29.30','A filter used to attenuate a very narrow band of frequencies centred on 3.6 MHz would be called:',''),(591,1483169103,'30.1 ','In the block diagram shown, the block designated \"modem\" is a:','\"DIGISTA.GIF\"'),(592,1483169103,'30.2 ','In the block diagram shown, the \"modem\":','\"DIGISTA.GIF\"'),(593,1483169103,'30.3','The following can be adapted for use as a modem:',''),(594,1483169103,'30.4','The following are three digital communication modes:',''),(595,1483169103,'30.5','In digital communications, FSK stands for:',''),(596,1483169103,'30.6','In digital communications, BPSK stands for:',''),(597,1483169103,'30.7','When your HF digital transmission is received with errors due to multi-pathconditions, you should:',''),(598,1483169103,'30.8','The letters BBS stand for:',''),(599,1483169103,'30.9','APRS is an adaptation of packet radio. APRS stands for',''),(600,1483169103,'30.10','The following communication mode is generally used for connecting to aVHF packet radio bulletin board:',''); +INSERT INTO `question` VALUES (1,1483169094,'1.1','The Amateur Service may be briefly defined as:',''),(2,1483169094,'1.2','The organisation responsible for the International Radio Regulations is the:',''),(3,1483169094,'1.3','New Zealand\'s views on international radio regulatory matters are coordinated by the:',''),(4,1483169094,'1.4','For regulatory purposes the world is divided into regions each with different radio spectrum allocations. New Zealand is in:',''),(5,1483169094,'1.5','The prime document for the administration of the Amateur Service in New Zealand is the:',''),(6,1483169094,'1.6','The administration of the Amateur Service in New Zealand is by:',''),(7,1483169094,'1.7','An Amateur Station is a station:',''),(8,1483169094,'1.8','A General Amateur Operator Certificate of Competency can be inspected by an authorised officer from the Ministry of Business, Innovation, and Employment:',''),(9,1483169094,'1.9','The fundamental regulations controlling the Amateur Service are to be found in:',''),(10,1483169094,'1.10','You must have a General Amateur Operator Certificate of Competency to:',''),(11,1483169094,'1.11','A New Zealand General Amateur Operator Certificate of Competency allows you to operate:',''),(12,1483169094,'1.12','With a General Amateur Operator Certificate of Competency you may operate transmitters in your station:',''),(13,1483169094,'1.13','You must keep the following document at your amateur station:',''),(14,1483169094,'1.14','An Amateur Station is one which is:',''),(15,1483169094,'1.15','If the qualified operator of an amateur radio station is absent overseas, the home station may be used by:',''),(16,1483169094,'1.16','All amateur stations, regardless of the mode of transmission used, must be equipped with:',''),(17,1483169094,'1.17','An amateur station may transmit unidentified signals:',''),(18,1483169094,'1.18','You may operate your amateur radio station somewhere in New Zealand for short periods away from the location entered in the administration\'s database:',''),(19,1483169094,'1.19','Before operating an amateur station in a motor vehicle, you must:',''),(20,1483169094,'1.20','An applicant for a New Zealand General Amateur Operator Certificate of Competency must first qualify by meeting the appropriate examination requirements. Application may then be made by:',''),(21,1483169094,'1.21','An amateur radio operator must have current New Zealand postal and email addresses so the Ministry of Business, Innovation, and Employment:',''),(22,1483169094,'1.22','If you transmit from another amateur\'s station, the person responsible for its proper operation is:',''),(23,1483169094,'1.23','Your responsibility as a station operator is that you must:',''),(24,1483169094,'1.24','An amateur station must have a qualified operator:',''),(25,1483169094,'1.25','A log-book for recording stations worked:',''),(26,1483169094,'1.26','Unqualified persons in your family cannot transmit using your amateur station if they are alone with your equipment because they must:',''),(27,1483169094,'1.27','Amateur radio repeater equipment and frequencies in New Zealand are co-ordinated by:',''),(28,1483169094,'1.28','A qualified operator of an amateur radio station may permit anyone to:',''),(29,1483169094,'1.29','The minimum age for a person to hold a General Amateur Operator Certificate of Competency is:',''),(30,1483169095,'1.30','If you contact another station and your signal is strong and perfectly readable, you should:',''),(31,1483169095,'1.31','The age when an amateur radio operator is required to surrender the General Amateur Operator Certificate of Competency is:',''),(32,1483169095,'1.32','Peak envelope power (PEP) output is the:',''),(33,1483169095,'1.33','The maximum power output permitted from an amateur station is:',''),(34,1483169095,'1.34','The transmitter power output for amateur stations at all times is:',''),(35,1483169095,'1.35','You identify your amateur station by transmitting your:',''),(36,1483169095,'1.36','This callsign could be allocated to an amateur radio operator in New Zealand:',''),(37,1483169095,'1.37','The callsign of a New Zealand amateur radio station:',''),(38,1483169095,'1.38','These letters are generally used for the first letters in New Zealand amateur radio callsigns:',''),(39,1483169095,'1.39','The figures normally used in New Zealand amateur radio callsigns are:',''),(40,1483169095,'1.40','Before re-issuing, a relinquished callsign is normally kept for:',''),(41,1483169095,'1.41','A General Amateur Operator Certificate of Competency authorises the use of:',''),(42,1483169095,'1.42','General Amateur Operator Certificates of Competency and callsigns are issued pursuant to the Regulations by the:',''),(43,1483169095,'1.43','To replace a written copy of your General Amateur Operator Certificate of Competency you should:',''),(44,1483169095,'1.44','A General Amateur Operator Certificate of Competency holder must advise permanent changes to postal and email addresses and update the official database records within:',''),(45,1483169095,'1.45','A General Amateur Operator Certificate of Competency:',''),(46,1483169095,'1.46','A General Amateur Operator Certificate of Competency is normally issued for:',''),(47,1483169095,'1.47','A licence that provides for a given class of radio transmitter to be used without requiring a licence in the owner’s own name is known as:',''),(48,1483169095,'1.48','The holder of a General Amateur Operator Certificate of Competency may permit anyone to:',''),(49,1483169095,'1.49','International communications on behalf of third parties may be transmitted by an amateur station only if:',''),(50,1483169095,'1.50','The term \"amateur third party communications\" refers to:',''),(51,1483169095,'1.51','The Morse code signal SOS is sent by a station:',''),(52,1483169095,'1.52','If you hear distress traffic and are unable to render assistance, you should:',''),(53,1483169095,'1.53','The transmission of messages in a secret code by the operator of an amateur station is:',''),(54,1483169095,'1.54','Messages from an amateur station in one of the following are expressly forbidden:',''),(55,1483169095,'1.55','The term \"harmful interference\" means:',''),(56,1483169095,'1.56','When interference to the reception of radiocommunications is caused by the operation of an amateur station, the station operator:',''),(57,1483169095,'1.57','An amateur radio operator may knowingly interfere with another radio communication or signal:',''),(58,1483169095,'1.58','After qualifying and gaining a General Amateur Operator Certificate of Competency you are permitted to:',''),(59,1483169095,'1.59','Morse code is permitted for use by:',''),(60,1483169095,'1.60','As a New Zealand amateur radio operator you may communicate with:',''),(61,1483169095,'1.61','As a New Zealand amateur radio operator you:',''),(62,1483169095,'1.62','Your General Amateur Operator Certificate of Competency permits you to:',''),(63,1483169095,'1.63','You hear a station using the callsign “VK3XYZ stroke ZL” on your local VHF repeater. This is:',''),(64,1483169095,'1.64','The abbreviation “HF” refers to the radio spectrum between:',''),(65,1483169095,'1.65','Bandplans showing the transmission modes for New Zealand amateur radio bands are developed and published for the mutual respect and advantage of all operators:',''),(66,1483169095,'1.66','The abbreviation “VHF” refers to the radio spectrum between:',''),(67,1483169095,'1.67','An amateur radio operator must be able to:',''),(68,1483169095,'1.68','An amateur station may be closed down at any time by:',''),(69,1483169095,'1.69','A General Amateur Operator Certificate of Competency:',''),(70,1483169095,'1.70','A person in distress:',''),(71,1483169095,'2.1','Amateur stations are often regarded as \"frequency agile\". This means:',''),(72,1483169095,'2.2','A new amateur radio operator is permitted to:',''),(73,1483169095,'2.3','The frequency limits of the “80 metre band” are:',''),(74,1483169095,'2.4','In New Zealand the frequency limits of the “40 metre band” are:',''),(75,1483169095,'2.5','The frequency limits of the “20 metre band” are:',''),(76,1483169095,'2.6','The frequency limits of the “15 metre band” are:',''),(77,1483169095,'2.7','The frequency limits of the “10 metre band” are:',''),(78,1483169095,'2.8','The frequency limits of the “2 metre band” are:',''),(79,1483169095,'2.9','The frequency limits of the “70 centimetre band” are:',''),(80,1483169095,'2.10','The published bandplans for the New Zealand amateur bands:',''),(81,1483169095,'2.11','Operation on the 130 to 190 kHz band requires:',''),(82,1483169095,'2.12','Two bands where amateur satellites may operate are',''),(83,1483169095,'2.13','The band 50 to 51 MHz is available to:',''),(84,1483169095,'2.14','The following amateur radio band is shared with other services:',''),(85,1483169095,'2.15','The frequency band 146 to 148 MHz is:',''),(86,1483169095,'2.16','The following amateur radio band is shared with another service in New Zealand:',''),(87,1483169095,'2.17','The published New Zealand amateur radio bandplans are:',''),(88,1483169095,'2.18','The following band is allocated to New Zealand amateur radio operators on a primary basis:',''),(89,1483169095,'2.19','When the Amateur Service is a secondary user of a band and another service is the primary user, this means:',''),(90,1483169095,'2.20','This rule applies if two amateur radio stations want to use the same frequency:',''),(91,1483169095,'3.1','The element Silicon is:',''),(92,1483169095,'3.2','An element which falls somewhere between being an insulator and a conductor is called a:',''),(93,1483169095,'3.3','In an atom:',''),(94,1483169095,'3.4','An atom that loses an electron becomes:',''),(95,1483169095,'3.5','An electric current passing through a wire will produce around the conductor:',''),(96,1483169095,'3.6','These magnetic poles repel:',''),(97,1483169095,'3.7','A common use for a magnet is in:',''),(98,1483169095,'3.8','The better conductor of electricity is:',''),(99,1483169095,'3.9','The term describing opposition to electron flow in a metallic circuit is:',''),(100,1483169095,'3.10','The substance which will most readily allow an electric current to flow is:',''),(101,1483169096,'3.11','The plastic coating formed around wire is:',''),(102,1483169096,'3.12','The following is a source of electrical energy:',''),(103,1483169096,'3.13','An important difference between a common torch battery and a lead acid battery is that only the lead acid battery:',''),(104,1483169096,'3.14','As temperature increases, the resistance of a metallic conductor:',''),(105,1483169096,'3.15','In an n-type semiconductor, the current carriers are:',''),(106,1483169096,'3.16','In a p-type semiconductor, the current carriers are:',''),(107,1483169096,'3.17','An electrical insulator:',''),(108,1483169096,'3.18','Four good electrical insulators are:',''),(109,1483169096,'3.19','Three good electrical conductors are:',''),(110,1483169096,'3.20','The name for the flow of electrons in an electric circuit is:',''),(111,1483169096,'4.1','The unit of impedance is the:',''),(112,1483169096,'4.2','One kilohm is:',''),(113,1483169096,'4.3','One kilovolt is equal to:',''),(114,1483169096,'4.4','One quarter of one ampere may be written as:',''),(115,1483169096,'4.5','The watt is the unit of:',''),(116,1483169096,'4.6','The voltage \'two volt\' is also:',''),(117,1483169096,'4.7','The unit for potential difference between two points in a circuit is the:',''),(118,1483169096,'4.8','Impedance is a combination of:',''),(119,1483169096,'4.9','One mA is:',''),(120,1483169096,'4.10','The unit of resistance is the:',''),(121,1483169096,'5.1','The voltage across a resistor carrying current can be calculated using the formula:',''),(122,1483169096,'5.2','A 10 mA current is measured in a 500 ohm resistor. The voltage across the resistor will be:',''),(123,1483169096,'5.3','The value of a resistor to drop 100 volt with a current of 0.8 milliampere is:',''),(124,1483169096,'5.4','I = E/R is a mathematical equation describing:',''),(125,1483169096,'5.5','The voltage to cause a current of 4.4 ampere in a 50 ohm resistance is:',''),(126,1483169096,'5.6','A current of 2 ampere flows through a 16 ohm resistance. The applied voltage is:',''),(127,1483169096,'5.7','A current of 5 ampere in a 50 ohm resistance produces a potential difference of:',''),(128,1483169096,'5.8','This voltage is needed to cause a current of 200 mA to flow in a lamp of 25 ohm resistance:',''),(129,1483169096,'5.9','A current of 0.5 ampere flows through a resistance when 6 volt is applied. To change thecurrent to 0.25 ampere the voltage must be:',''),(130,1483169096,'5.10','The current flowing through a resistor can be calculated by using the formula:',''),(131,1483169096,'5.11','When an 8 ohm resistor is connected across a 12 volt supply the current flow is:',''),(132,1483169096,'5.12','A circuit has a total resistance of 100 ohm and 50 volt is applied across it. The current flow will be:',''),(133,1483169096,'5.13','The following formula gives the resistance of a circuit:',''),(134,1483169096,'5.14','A resistor with 10 volt applied across it and passing a current of 1 mA has a value of:',''),(135,1483169096,'5.15','If a 3 volt battery causes 300 mA to flow in a circuit, the circuit resistance is:',''),(136,1483169096,'5.16','A current of 0.5 ampere flows through a resistor when 12 volt is applied. The value of the resistor is:',''),(137,1483169096,'5.17','The resistor which gives the greatest opposition to current flow is:',''),(138,1483169096,'5.18','The ohm is the unit of:',''),(139,1483169096,'5.19','If a 12 volt battery supplies 0.15 ampere to a circuit, the circuit\'s resistance is:',''),(140,1483169096,'5.20','If a 4800 ohm resistor is connected to a 12 volt battery, the current flow is:',''),(141,1483169096,'6.1','The total resistance in a parallel circuit:',''),(142,1483169096,'6.2','Two resistors are connected in parallel and are connected across a 40 volt battery. If each resistor is 1000 ohms, the total battery current is:',''),(143,1483169096,'6.3','The total current in a parallel circuit is equal to the:',''),(144,1483169096,'6.4','One way to operate a 3 volt bulb from a 9 volt supply is to connect it in:',''),(145,1483169096,'6.5','You can operate this number of identical lamps, each drawing a current of 250 mA, from a 5A supply:',''),(146,1483169096,'6.6','Six identical 2-volt bulbs are connected in series. The supply voltage to cause the bulbs to light normally is:',''),(147,1483169096,'6.7','This many 12 volt bulbs can be arranged in series to form a string of lights to operate from a 240 volt power supply:',''),(148,1483169096,'6.8','Three 10,000 ohm resistors are connected in series across a 90 volt supply. The voltage drop across one of the resistors is:',''),(149,1483169096,'6.9','Two resistors are connected in parallel. R1 is 75 ohm and R2 is 50 ohm. The total resistance of this parallel circuit is:',''),(150,1483169096,'6.10','A dry cell has an open circuit voltage of 1.5 volt. When supplying a large current the voltage drops to 1.2 volt. This is due to the cell\'s:',''),(151,1483169096,'6.11','A 6 ohm resistor is connected in parallel with a 30 ohm resistor. The total resistance of the combination is:',''),(152,1483169096,'6.12','The total resistance of several resistors connected in series is:',''),(153,1483169096,'6.13','Five 10 ohm resistors connected in series give a total resistance of:',''),(154,1483169096,'6.14','Resistors of 10, 270, 3900, and 100 ohm are connected in series. The total resistance is:',''),(155,1483169096,'6.15','This combination of series resistors could replace a single 120 ohm resistor:',''),(156,1483169096,'6.16','If a 2.2 megohm and a 100 kilohm resistor are connected in series, the total resistance is:',''),(157,1483169096,'6.17','If ten resistors of equal value R are wired in parallel, the total resistance is:',''),(158,1483169096,'6.18','The total resistance of four 68 ohm resistors wired in parallel is:',''),(159,1483169096,'6.19','Resistors of 68 ohm, 47 kilohm, 560 ohm and 10 ohm are connected in parallel. The total resistance is:',''),(160,1483169096,'6.20','The following resistor combination can most nearly replace a single 150 ohm resistor:',''),(161,1483169096,'6.21','Two 120 ohm resistors are arranged in parallel to replace a faulty resistor. The faulty resistor had an original value of:',''),(162,1483169096,'6.22','Two resistors are in parallel. Resistor A carries twice the current of resistor B which means that:',''),(163,1483169096,'6.23','The smallest resistance that can be made with five 1 k ohm resistors is:',''),(164,1483169096,'6.24','The following combination of 28 ohm resistors has a total resistance of 42 ohm:',''),(165,1483169096,'6.25','Two 100 ohm resistors connected in parallel are wired in series with a 10 ohm resistor. The total resistance of the combination is:',''),(166,1483169096,'6.26','A 5 ohm and a 10 ohm resistor are wired in series and connected to a 15 volt power supply. The current flowing from the power supply is:',''),(167,1483169096,'6.27','Three 12 ohm resistors are wired in parallel and connected to an 8 volt supply. The total current flow from the supply is:',''),(168,1483169096,'6.28','Two 33 ohm resistors are connected in series with a power supply. If the current flowing is 100 mA, the voltage across one of the resistors is:',''),(169,1483169096,'6.29','A simple transmitter requires a 50 ohm dummy load. You can fabricate this from:',''),(170,1483169096,'6.30','Three 500 ohm resistors are wired in series. Short-circuiting the centre resistor will change the value of the network from:',''),(171,1483169097,'7.1','A transmitter power amplifier requires 30 mA at 300 volt. The DC input power is:',''),(172,1483169097,'7.2','The DC input power of a transmitter operating at 12 volt and drawing 500 milliamp would be:',''),(173,1483169097,'7.3','When two 500 ohm 1 watt resistors are connected in series, the maximum total power that can be dissipated by both resistors is:',''),(174,1483169097,'7.4','When two 1000 ohm 5 watt resistors are connected in parallel, they can dissipate a maximum total power of:',''),(175,1483169097,'7.5','The current in a 100 kilohm resistor is 10 mA. The power dissipated is:',''),(176,1483169097,'7.6','A current of 500 milliamp passes through a 1000 ohm resistance. The power dissipated is:',''),(177,1483169097,'7.7','A 20 ohm resistor carries a current of 0.25 ampere. The power dissipated is:',''),(178,1483169097,'7.8','If 200 volt is applied to a 2000 ohm resistor, the resistor will dissipate:',''),(179,1483169097,'7.9','The power delivered to an antenna is 500 watt. The effective antenna resistance is 20 ohm. The antenna current is:',''),(180,1483169097,'7.10','The unit for power is the:',''),(181,1483169097,'7.11','The following two quantities should be multiplied together to find power:',''),(182,1483169097,'7.12','The following two electrical units multiplied together give the unit \"watt\":',''),(183,1483169097,'7.13','The power dissipation of a resistor carrying a current of 10 mA with 10 volt across it is:',''),(184,1483169097,'7.14','If two 10 ohm resistors are connected in series with a 10 volt battery, the battery load is:',''),(185,1483169097,'7.15','Each of 9 resistors in a circuit is dissipating 4 watt. If the circuit operates from a 12 volt supply, the total current flowing in the circuit is:',''),(186,1483169097,'7.16','Three 18 ohm resistors are connected in parallel across a 12 volt supply. The total powerdissipation of the resistor load is:',''),(187,1483169097,'7.17','A resistor of 10 kilohm carries a current of 20 mA. The power dissipated in the resistor is:',''),(188,1483169097,'7.18','A resistor in a circuit becomes very hot and starts to burn. This is because the resistor is dissipating too much:',''),(189,1483169097,'7.19','A current of 10 ampere rms at a frequency of 50 Hz flows through a 100 ohm resistor. Thepower dissipated is:',''),(190,1483169097,'7.20','The voltage applied to two resistors in series is doubled. The total power dissipated will:',''),(191,1483169097,'8.1','An \'alternating current\' is so called because:',''),(192,1483169097,'8.2','The time for one cycle of a 100 Hz signal is:',''),(193,1483169097,'8.3','A 50 hertz current in a wire means that:',''),(194,1483169097,'8.4','The current in an AC circuit completes a cycle in 0.1 second. So the frequency is:',''),(195,1483169097,'8.5','An impure signal is found to have 2 kHz and 4 kHz components. This 4 kHz signal is:',''),(196,1483169097,'8.6','The correct name for the equivalent of \'one cycle per second\' is one:',''),(197,1483169097,'8.7','One megahertz is equal to:',''),(198,1483169097,'8.8','One GHz is equal to:',''),(199,1483169097,'8.9','The \'rms value\' of a sine-wave signal is:',''),(200,1483169097,'8.10','A sine-wave alternating current of 10 ampere peak has an rms value of:',''),(201,1483169097,'9.1','The total capacitance of two or more capacitors in series is:',''),(202,1483169097,'9.2','Filter capacitors in power supplies are sometimes connected in series to:',''),(203,1483169097,'9.3','A component is identified as a capacitor if its value is measuredin:',''),(204,1483169097,'9.4','Two metal plates separated by air form a 0.001 uF capacitor. Its value maybe changed to 0.002 uF by:',''),(205,1483169097,'9.5','The material separating the plates of a capacitor is the:',''),(206,1483169097,'9.6','Three 15 picofarad capacitors are wired in parallel. The value of thecombination is:',''),(207,1483169097,'9.7','Capacitors and inductors oppose an alternating current. This is known as:',''),(208,1483169097,'9.8','The reactance of a capacitor increases as the:',''),(209,1483169097,'9.9','The reactance of an inductor increases as the:',''),(210,1483169097,'9.10','Increasing the number of turns on an inductor will make its inductance:',''),(211,1483169097,'9.11','The unit of inductance is the:',''),(212,1483169097,'9.12','Two 20 uH inductances are connected in series. The total inductance is:',''),(213,1483169097,'9.13','Two 20 uH inductances are connected in parallel. The total inductance is:',''),(214,1483169097,'9.14','A toroidal inductor is one in which the:',''),(215,1483169097,'9.15','A transformer with 100 turns on the primary winding and 10 turns on thesecondary winding is connected to 230 volt AC mains. The voltage across thesecondary is:',''),(216,1483169097,'9.16','An inductor and a capacitor are connected in series. At the resonantfrequency the resulting impedance is:',''),(217,1483169097,'9.17','An inductor and a capacitor are connected in parallel. At the resonantfrequency the resulting impedance is:',''),(218,1483169097,'9.18','An inductor and a capacitor form a resonant circuit. The capacitor valueis increased by four times. The resonant frequency will:',''),(219,1483169097,'9.19','An inductor and a capacitor form a resonant circuit. If the value of theinductor is decreased by a factor of four, the resonant frequency will:',''),(220,1483169097,'9.20','A \"high Q\" resonant circuit is one which:',''),(221,1483169097,'10.1','You can safely remove an unconscious person from contact with a highvoltage source by:',''),(222,1483169097,'10.2','For your safety, before checking a fault in a mains operated power supplyunit, first:',''),(223,1483169097,'10.3','Wires carrying high voltages in a transmitter should be well insulated toavoid:',''),(224,1483169097,'10.4','A residual current device is recommended for protection in a mains powercircuit because it:',''),(225,1483169097,'10.5','An earth wire should be connected to the metal chassis of amains-operated power supply to ensure that if a fault develops, the chassis:',''),(226,1483169097,'10.6','The purpose of using three wires in the mains power cord and plug onamateur radio equipment is to:',''),(227,1483169097,'10.7','The correct colour coding for the phase wire in a flexible mains lead is:',''),(228,1483169097,'10.8','The correct colour coding for the neutral wire in a flexible mains leadis:',''),(229,1483169097,'10.9','The correct colour coding for the earth wire in a flexible mains lead is:',''),(230,1483169097,'10.10','An isolating transformer is used to:',''),(231,1483169097,'11.1','The basic semiconductor amplifying device is a:',''),(232,1483169097,'11.2','Zener diodes are normally used as:',''),(233,1483169097,'11.3','The voltage drop across a germanium signal diode when conducting isabout:',''),(234,1483169097,'11.4','A bipolar transistor has three terminals named:',''),(235,1483169097,'11.5','The three leads from a PNP transistor are named the:',''),(236,1483169097,'11.6','A low-level signal is applied to a transistor circuit input and ahigher-level signal is present at the output. This effect is known as:',''),(237,1483169097,'11.7','The type of rectifier diode in almost exclusive use in power supplies is:',''),(238,1483169097,'11.8','One important application for diodes is recovering information fromtransmitted signals. This is referred to as:',''),(239,1483169097,'11.9','In a forward biased pn junction, the electrons:',''),(240,1483169097,'11.10','The following material is considered to be a semiconductor:',''),(241,1483169097,'11.11','A varactor diode acts like a variable:',''),(242,1483169097,'11.12','A semiconductor is said to be doped when small quantities of thefollowing are added:',''),(243,1483169097,'11.13','The connections to a semiconductor diode are known as:',''),(244,1483169097,'11.14','Bipolar transistors usually have:',''),(245,1483169098,'11.15','A semiconductor is described as a \"general purpose audio NPN device\".This is a:',''),(246,1483169098,'11.16','Two basic types of bipolar transistors are:',''),(247,1483169098,'11.17','A transistor can be destroyed in a circuit by:',''),(248,1483169098,'11.18','To bias a transistor to cut-off, the base must be:',''),(249,1483169098,'11.19','Two basic types of field effect transistors are:',''),(250,1483169098,'11.20','A semiconductor with leads labelled gate, drain and source, is bestdescribed as a:',''),(251,1483169098,'12.1 ','In the figure shown, 2 represents the:','\"NPN.GIF\"'),(252,1483169098,'12.2 ','In the figure shown, 3 represents the:','\"NPN.GIF\"'),(253,1483169098,'12.3 ','In the figure shown, 2 represents the:','\"PNP.GIF\"'),(254,1483169098,'12.4 ','In the figure shown, 1 represents the:','\"PNP.GIF\"'),(255,1483169098,'12.5 ','In the figure shown, 2 represents the:','\"JFET.GIF\"'),(256,1483169098,'12.6 ','In the figure shown, 3 represents the:','\"JFET.GIF\"'),(257,1483169098,'12.7 ','In the figure shown, 2 represents the:','\"MOSFET.GIF\"'),(258,1483169098,'12.8 ','The figure shown represents a:','\"MOSFET.GIF\"'),(259,1483169098,'12.9 ','In the figure shown, 3 represents the:','\"TETRODE.GIF\"'),(260,1483169098,'12.10 ','In the figure shown, 5 represents the:','\"TETRODE.GIF\"'),(261,1483169098,'13.1','An ohmmeter measures the:',''),(262,1483169098,'13.2','A VSWR meter switched to the \"reverse\" position provides an indicationof:',''),(263,1483169098,'13.3','The correct instrument for measuring the supply current to an amplifieris a:',''),(264,1483169098,'13.4','The following meter could be used to measure the power supply currentdrawn by a small hand-held transistorised receiver:',''),(265,1483169098,'13.5','When measuring the current drawn by a light bulb from a DC supply, themeter will act in circuit as:',''),(266,1483169098,'13.6','When measuring the current drawn by a receiver from a power supply, thecurrent meter should be placed:',''),(267,1483169098,'13.7','An ammeter should not be connected directly across the terminals of a 12volt car battery because:',''),(268,1483169098,'13.8','A good ammeter should have:',''),(269,1483169098,'13.9','A good voltmeter should have:',''),(270,1483169098,'13.10','An rms-reading voltmeter is used to measure a 50 Hz sinewave of knownpeak voltage 14 volt. The meter reading will be about:',''),(271,1483169098,'14.1','The input to an amplifier is 1 volt rms and the output 10 volt rms. This is anincrease of:',''),(272,1483169098,'14.2','The input to an amplifier is 1 volt rms and output 100 volt rms. This is anincrease of:',''),(273,1483169098,'14.3','An amplifier has a gain of 40 dB. The ratio of the rms output voltage to the rmsinput voltage is:',''),(274,1483169098,'14.4','A transmitter power amplifier has a gain of 20 dB. The ratio of the outputpower to the input power is:',''),(275,1483169098,'14.5','An attenuator network comprises two 100 ohm resistors in series with the inputapplied across both resistors and the output taken from across one of them. Thevoltage attenuation of the network is:',''),(276,1483169098,'14.6','An attenuator network has 10 volt rms applied to its input with 1 volt rmsmeasured at its output. The attenuation of the network is:',''),(277,1483169098,'14.7','An attenuator network has 10 volt rms applied to its input with 5 volt rmsmeasured at its output. The attenuation of the network is:',''),(278,1483169098,'14.8','Two amplifiers with gains of 10 dB and 40 dB are connected in cascade. Thegain of the combination is:',''),(279,1483169098,'14.9','An amplifier with a gain of 20 dB has a -10 dB attenuator connected in cascade.The gain of the combination is:',''),(280,1483169098,'14.10','Each stage of a three-stage amplifier provides 5 dB gain. The totalamplification is:',''),(281,1483169098,'15.1','In the block diagram shown, the \"linear amplifier\" is:','\"HFSTA.GIF\"'),(282,1483169098,'15.2','In the block diagram shown, the additional signal path above the\"linear amplifier\" block indicates that:','\"HFSTA.GIF\"'),(283,1483169098,'15.3','In the block diagram shown, the \"low pass filter\" must be rated to:','\"HFSTA.GIF\"'),(284,1483169098,'15.4','In the block diagram shown, the \"SWR bridge\" is a:','\"HFSTA.GIF\"'),(285,1483169098,'15.5','In the block diagram shown, the \"antenna switch\":','\"HFSTA.GIF\"'),(286,1483169098,'15.6','In the block diagram shown, the \"antenna tuner\":','\"HFSTA.GIF\"'),(287,1483169098,'15.7','In the block diagram shown, the \"dummy load\" is:','\"HFSTA.GIF\"'),(288,1483169098,'15.8','In the block diagram shown, the connection between the SWR bridge and theantenna switch is normally a:','\"HFSTA.GIF\"'),(289,1483169098,'15.9','In this block diagram, the block designated \"antenna tuner\" is not normally necessary when:','\"HFSTA.GIF\"'),(290,1483169098,'15.10','In the block diagram shown, the connection between the \"antenna tuner\"and the \"antenna\" could be made with:','\"HFSTA.GIF\"'),(291,1483169098,'16.1','In the block diagram of the receiver shown, the \"RF amplifier\":','\"SSBRX.GIF\"'),(292,1483169098,'16.2','In the block diagram of the receiver shown, the \"mixer\":','\"SSBRX.GIF\"'),(293,1483169098,'16.3','In the block diagram of the receiver shown, the output frequency of the\"oscillator\" is:','\"SSBRX.GIF\"'),(294,1483169098,'16.4','In the block diagram of the receiver shown, the \"filter\" rejects:','\"SSBRX.GIF\"'),(295,1483169098,'16.5','In the block diagram of the receiver shown, the \"IF amplifier\" is an:','\"SSBRX.GIF\"'),(296,1483169098,'16.6','In the block diagram of the receiver shown, the \"product detector\":','\"SSBRX.GIF\"'),(297,1483169098,'16.7','In the block diagram of the receiver shown, the \"AF amplifier\":','\"SSBRX.GIF\"'),(298,1483169098,'16.8','In the block diagram of the receiver shown, the \"BFO\" stands for:','\"SSBRX.GIF\"'),(299,1483169098,'16.9','In the block diagram of the receiver shown, most of the receiver gain is in the:','\"SSBRX.GIF\"'),(300,1483169098,'16.10','In the block diagram of the receiver shown, the \"RF amplifier\":','\"FMRX.GIF\"'),(301,1483169098,'16.11','In the block diagram of the receiver shown, the \"mixer\":','\"FMRX.GIF\"'),(302,1483169098,'16.12','In the receiver shown, when receiving a signal, the output frequency of the \"oscillator\" is:','\"FMRX.GIF\"'),(303,1483169098,'16.13','In the block diagram of the receiver shown, the \"limiter\":','\"FMRX.GIF\"'),(304,1483169098,'16.14','In the block diagram of the receiver shown, the \"frequency demodulator\"could be implemented with a:','\"FMRX.GIF\"'),(305,1483169098,'16.15','In the block diagram of the receiver shown, the \"AF amplifier\":','\"FMRX.GIF\"'),(306,1483169098,'16.16','In this receiver, an audio frequency gain controlwould be associated with the block labelled:','\"FMRX.GIF\"'),(307,1483169098,'16.17','In the block diagram of the receiver shown, the selectivity would be set by the:','\"FMRX.GIF\"'),(308,1483169098,'16.18','In the FM communications receiver shown in the block diagram, the \"filter\"bandwidth is typically:','\"FMRX.GIF\"'),(309,1483169098,'16.19','In the block diagram of the receiver shown, an automatic gaincontrol (AGC) circuit would be associated with the:','\"FMRX.GIF\"'),(310,1483169099,'16.20','In the block diagram of the receiver shown, the waveform produced by the\"oscillator\" would ideally be a:','\"FMRX.GIF\"'),(311,1483169099,'17.1','The frequency stability of a receiver is its ability to:',''),(312,1483169099,'17.2','The sensitivity of a receiver specifies:',''),(313,1483169099,'17.3','Of two receivers, the one capable of receiving the weakest signal will have:',''),(314,1483169099,'17.4','The figure in a receiver\'s specifications which indicates its sensitivity is the:',''),(315,1483169099,'17.5','If two receivers are compared, the more sensitive receiver will produce:',''),(316,1483169099,'17.6','The ability of a receiver to separate signals close in frequency is called its:',''),(317,1483169099,'17.7','A receiver with high selectivity has a:',''),(318,1483169099,'17.8','The BFO in a superhet receiver operates on a frequency nearest to that of its:',''),(319,1483169099,'17.9','To receive Morse code signals, a BFO is employed in a superhet receiver to:',''),(320,1483169099,'17.10','The following transmission mode is usually demodulated by a product detector:',''),(321,1483169099,'17.11','A superhet receiver for SSB reception has an insertion oscillator to:',''),(322,1483169099,'17.12','A stage in a receiver with input and output circuits tuned to the received frequency is the:',''),(323,1483169099,'17.13','An RF amplifier ahead of the mixer stage in a superhet receiver:',''),(324,1483169099,'17.14','A communication receiver may have several IF filters of different bandwidths. The operator selects one to:',''),(325,1483169099,'17.15','The stage in a superhet receiver with a tuneable input and fixed tuned output is the:',''),(326,1483169099,'17.16','The mixer stage of a superhet receiver:',''),(327,1483169099,'17.17','A 7 MHz signal and a 16 MHz oscillator are applied to a mixer stage. The output will contain the input frequencies and:',''),(328,1483169099,'17.18','Selectivity in a superhet receiver is achieved primarily in the:',''),(329,1483169099,'17.19','The abbreviation AGC means:',''),(330,1483169099,'17.20','The AGC circuit in a receiver usually controls the:',''),(331,1483169099,'17.21','The tuning control of a superhet receiver changes the tuned frequency of the:',''),(332,1483169099,'17.22','A superhet receiver, with an IF at 500 kHz, is receiving a 14 MHz signal. The local oscillator frequency is:',''),(333,1483169099,'17.23','An audio amplifier is necessary in an AM receiver because:',''),(334,1483169099,'17.24','The audio output transformer in a receiver is required to:',''),(335,1483169099,'17.25','If the carrier insertion oscillator is counted, then a single conversion superhet receiver has:',''),(336,1483169099,'17.26','A superhet receiver, with a 500 kHz IF, is receiving a signal at 21.0 MHz. A strong unwanted signal at 22 MHz is interfering. The cause is:',''),(337,1483169099,'17.27','A superhet receiver receives an incoming signal of 3540 kHz and the local oscillator produces a signal of 3995 kHz. The IF amplifier is tuned to:',''),(338,1483169099,'17.28','A double conversion receiver designed for SSB reception has a carrier insertion oscillator and:',''),(339,1483169099,'17.29','An advantage of a double conversion receiver is that it:',''),(340,1483169099,'17.30','A receiver squelch circuit:',''),(341,1483169099,'18.1','In the transmitter block diagram shown, the \"oscillator\":','\"SSBTX.GIF\"'),(342,1483169099,'18.2','In the transmitter block diagram shown, the \"balanced modulator\":','\"SSBTX.GIF\"'),(343,1483169099,'18.3','In the transmitter block diagram shown, the \"filter\":','\"SSBTX.GIF\"'),(344,1483169099,'18.4','In the transmitter block diagram shown, the \"mixer\":','\"SSBTX.GIF\"'),(345,1483169099,'18.5','In the transmitter block diagram shown, the \"linear amplifier\":','\"SSBTX.GIF\"'),(346,1483169099,'18.6','In the transmitter block diagram shown, the \"VFO\" is:','\"SSBTX.GIF\"'),(347,1483169099,'18.7','In the transmitter block diagram shown, the \"master oscillator\" produces:','\"CWTX.GIF\"'),(348,1483169099,'18.8','In the transmitter block diagram shown, the \"driver buffer\":','\"CWTX.GIF\"'),(349,1483169099,'18.9','In the transmitter block diagram shown, the \"Morse key\":','\"CWTX.GIF\"'),(350,1483169099,'18.10','In the transmitter block diagram shown, the \"power amplifier\":','\"CWTX.GIF\"'),(351,1483169099,'18.11','In the transmitter block diagram shown, the \"speech amplifier\":','\"FMTX.GIF\"'),(352,1483169099,'18.12','In the transmitter block diagram shown, the \"modulator\":','\"FMTX.GIF\"'),(353,1483169099,'18.13','In the transmitter block diagram shown, the \"oscillator\" is:','\"FMTX.GIF\"'),(354,1483169099,'18.14','In the transmitter block diagram shown, the \"frequency multiplier\":','\"FMTX.GIF\"'),(355,1483169099,'18.15','In the transmitter block diagram shown, the \"power amplifier\":','\"FMTX.GIF\"'),(356,1483169099,'18.16','The signal from an amplitude modulated transmitter consists of:',''),(357,1483169099,'18.17','The signal from a frequency modulated transmitter has:',''),(358,1483169099,'18.18','The signal from a balanced modulator consists of:',''),(359,1483169099,'18.19','The signal from a CW transmitter consists of:',''),(360,1483169099,'18.20','The following signal can be amplified using a non-linearamplifier:',''),(361,1483169099,'19.1','Morse code is usually transmitted by radio as:',''),(362,1483169099,'19.2','To obtain high frequency stability in a transmitter, the VFO should be:',''),(363,1483169099,'19.3','SSB transmissions:',''),(364,1483169099,'19.4','The purpose of a balanced modulator in a SSB transmitter is to:',''),(365,1483169099,'19.5','Several stations advise that your FM simplex transmission in the \"two metre\" band isdistorted. The cause might be that:',''),(366,1483169099,'19.6','The driver stage of a transmitter is located:',''),(367,1483169099,'19.7','The purpose of the final amplifier in a transmitter is to:',''),(368,1483169099,'19.8','The difference between DC input power and RF power output of a transmitter RF amplifier:',''),(369,1483169099,'19.9','The process of modulation allows:',''),(370,1483169099,'19.10','The output power rating of a linear amplifier in a SSB transmitter is specified by the:',''),(371,1483169099,'20.1','A harmonic of a signal transmitted at 3525 kHz would be expected to occur at:',''),(372,1483169099,'20.2','The third harmonic of 7 MHz is:',''),(373,1483169099,'20.3','The fifth harmonic of 7 MHz is:',''),(374,1483169099,'20.4','Excessive harmonic output may be produced in a transmitter by:',''),(375,1483169099,'20.5','Harmonics may be produced in the RF power amplifier of a transmitter if:',''),(376,1483169100,'20.6','Harmonics produced in an early stage of a transmitter may be reduced in a later stage by:',''),(377,1483169100,'20.7','Harmonics are produced when:',''),(378,1483169100,'20.8','Harmonic frequencies are:',''),(379,1483169100,'20.9','An interfering signal from a transmitter has a frequency of 57 MHz. This signal could be the:',''),(380,1483169100,'20.10','To minimise the radiation of one particular harmonic, one can use a:',''),(381,1483169100,'20.11','A low-pass filter is used in the antenna lead from a transmitter:',''),(382,1483169100,'20.12','The following is installed in the transmission line as close as possible to a HF transmitter to reduce harmonic output:',''),(383,1483169100,'20.13','A low pass filter will:',''),(384,1483169100,'20.14','A spurious transmission from a transmitter is:',''),(385,1483169100,'20.15','A parasitic oscillation:',''),(386,1483169100,'20.16','Parasitic oscillations in a RF power amplifier can be suppressed by:',''),(387,1483169100,'20.17','Parasitic oscillations in the RF power amplifier stage of a transmitter may occur:',''),(388,1483169100,'20.18','Transmitter power amplifiers can generate parasitic oscillations on:',''),(389,1483169100,'20.19','Parasitic oscillations tend to occur in:',''),(390,1483169100,'20.20','Parasitic oscillations can cause interference. They are:',''),(391,1483169100,'21.1','A mains operated DC power supply:',''),(392,1483169100,'21.2','The following unit in a DC power supply performs a rectifying operation:',''),(393,1483169100,'21.3','The following unit in a DC power supply performs a smoothing operation:',''),(394,1483169100,'21.4','The following could power a solid-state 10 watt VHF transceiver:',''),(395,1483169100,'21.5','A fullwave DC power supply operates from the New Zealand AC mains. The ripplefrequency is:',''),(396,1483169100,'21.6','The capacitor value best suited for smoothing the output of a 12 volt 1 amp DC power supply is:',''),(397,1483169100,'21.7','The following should always be included as a standard protection device in any powersupply:',''),(398,1483169100,'21.8','A halfwave DC power supply operates from the New Zealand AC mains. The ripplefrequency will be:',''),(399,1483169100,'21.9','The output voltage of a DC power supply decreases when current is drawn from it because:',''),(400,1483169100,'21.10','Electrolytic capacitors are used in power supplies because:',''),(401,1483169100,'22.1','The block marked \'Filter\' in the diagram is to:','\"REGPS.GIF\"'),(402,1483169100,'22.2','The block marked \'Regulator\' in the diagram is to:','\"REGPS.GIF\"'),(403,1483169100,'22.3','The block marked \'Transformer\' in the diagram is to:','\"REGPS.GIF\"'),(404,1483169100,'22.4','The block marked \'Rectifier\' in the diagram is to:','\"REGPS.GIF\"'),(405,1483169100,'22.5','The block marked \'Regulator\' in the diagram could consist of:','\"REGPS.GIF\"'),(406,1483169100,'22.6','In the block marked regulator in the diagram below, a reversed diode may be present across the regulator. Its job is to','\"REGPS.GIF\"'),(407,1483169100,'22.7','A power supply is to power a solid-state transceiver. A suitableover-voltage protection device is a:',''),(408,1483169100,'22.8','In a regulated power supply, the \'crowbar\' is a:',''),(409,1483169100,'22.9','In a regulated power supply, \'current limiting\' is sometimes used to:',''),(410,1483169100,'22.10','The purpose of a series pass transistor in a regulated power supply isto:',''),(411,1483169100,'23.1','The correct order for callsigns in a callsign exchange at the start and end of a transmission is:',''),(412,1483169100,'23.2','The following phonetic code is correct for the callsign \"ZL1AN\":',''),(413,1483169100,'23.3','The accepted way to call \"CQ\" with a SSB transceiver is:',''),(414,1483169100,'23.4','A signal report of \"5 and 1\" indicates:',''),(415,1483169100,'23.5','The correct phonetic code for the callsign VK5ZX is:',''),(416,1483169100,'23.6','The accepted way to announce that you are listening to a VHF repeater is:',''),(417,1483169100,'23.7','A rare DX station calling CQ on CW and repeating \"up 2\" at the end of the call means thestation:',''),(418,1483169100,'23.8','When conversing via a VHF or UHF repeater you should pause between overs for about:',''),(419,1483169100,'23.9','Before calling CQ on the HF bands, you should:',''),(420,1483169100,'23.10','The phrase \"you are fully quieting the repeater\" means:',''),(421,1483169100,'24.1','You are mobile and talking through a VHF repeater. The other station reports that you keep\"dropping out\". This means:',''),(422,1483169100,'24.2','A \"pileup\" is:',''),(423,1483169100,'24.3','\"Break-in keying\" means:',''),(424,1483169100,'24.4','A repeater operating with a \"positive 600 kHz split\":',''),(425,1483169100,'24.5','The standard frequency offset (split) for 2 metre repeaters in New Zealand is:',''),(426,1483169100,'24.6','The standard frequency offset (split) for 70 cm repeaters in New Zealand is plus or minus:',''),(427,1483169100,'24.7','You are adjusting an antenna matching unit using an SWR bridge. You should adjust for:',''),(428,1483169100,'24.8','The \"squelch\" or \"muting\" circuitry on a VHF receiver:',''),(429,1483169100,'24.9','The \"S meter\" on a receiver:',''),(430,1483169100,'24.10','The \"National System\" is:',''),(431,1483169100,'24.11','A noise blanker on a receiver is most effective to reduce:',''),(432,1483169100,'24.12','The purpose of a VOX unit in a transceiver is to:',''),(433,1483169100,'24.13','\"VOX\" stands for:',''),(434,1483169100,'24.14','\"RIT\" stands for:',''),(435,1483169100,'24.15','The \"RIT\" control on a transceiver:',''),(436,1483169101,'24.16','The \"split frequency\" function on a transceiver allows the operator to:',''),(437,1483169101,'24.17','The term \"ALC\" stands for:',''),(438,1483169101,'24.18','The AGC circuit is to:',''),(439,1483169101,'24.19','Many receivers have both RF and AF gain controls. These allow the operator to:',''),(440,1483169101,'24.20','The term \"PTT\" means:',''),(441,1483169101,'25.1','The signal \"QRM\" means:',''),(442,1483169101,'25.2','The signal \"QRN\" means:',''),(443,1483169101,'25.3','The \"Q signal\" requesting the other station to send slower is:',''),(444,1483169101,'25.4','The question \"Who is calling me?\" is asked by:',''),(445,1483169101,'25.5','The \"Q\" signal \"what is your location?\" is:',''),(446,1483169101,'25.6','The \"Q\" signal \"are you busy?\" is:',''),(447,1483169101,'25.7','The \"Q\" signal \"shall I decrease transmitter power?\" is:',''),(448,1483169101,'25.8','The \"Q\" signal \"your signals are fading\" is:',''),(449,1483169101,'25.9','The signal \"QSY?\" means:',''),(450,1483169101,'25.10','The \"Q\" signal which means \"send faster\" is:',''),(451,1483169101,'26.1','Any length of transmission line may be made to appear as an infinitelylong line by:',''),(452,1483169101,'26.2','The characteristic impedance of a transmission line is determined by the:',''),(453,1483169101,'26.3','The characteristic impedance of a 20 metre length of transmission line is52 ohm. If 10 metres is cut off, the impedance will be:',''),(454,1483169101,'26.4','The following feeder is the best match to the base of a quarter waveground plane antenna:',''),(455,1483169101,'26.5','The designed output impedance of the antenna socket of most moderntransmitters is nominally:',''),(456,1483169101,'26.6','To obtain efficient transfer of power from a transmitter to an antenna,it is important that there is a:',''),(457,1483169101,'26.7','A coaxial feedline is constructed from:',''),(458,1483169101,'26.8','An RF transmission line should be matched at the transmitter end to:',''),(459,1483169101,'26.9','A damaged antenna or feedline attached to the output of a transmitterwill present an incorrect load resulting in:',''),(460,1483169101,'26.10','A result of mismatch between the power amplifier of a transmitter andthe antenna is:',''),(461,1483169101,'26.11','Losses occurring on a transmission line between a transmitter andantenna result in:',''),(462,1483169101,'26.12','If the characteristic impedance of a feedline does not match the antennainput impedance then:',''),(463,1483169101,'26.13','A result of standing waves on a non-resonant transmission line is:',''),(464,1483169101,'26.14','A quarter-wave length of 50-ohm coaxial line is shorted at one end. Theimpedance seen at the other end of the line is:',''),(465,1483169101,'26.15','A switching system to use a single antenna for a separate transmitterand receiver should also:',''),(466,1483169101,'26.16','An instrument to check whether RF power in the transmission line istransferred to the antenna is:',''),(467,1483169101,'26.17','This type of transmission line will exhibit the lowest loss:',''),(468,1483169101,'26.18','The velocity factor of a coaxial cable with solid polythene dielectricis about:',''),(469,1483169101,'26.19','This commonly available antenna feedline can be buried directly in theground for some distance without adverse effects:',''),(470,1483169101,'26.20','If an antenna feedline must pass near grounded metal objects, thefollowing type should be used:',''),(471,1483169101,'27.1 ','In this diagram the item U corresponds to the:','\"YAGI.GIF\"'),(472,1483169101,'27.2 ','In this diagram the item V corresponds to the:','\"YAGI.GIF\"'),(473,1483169101,'27.3 ','In this diagram the item X corresponds to the:','\"YAGI.GIF\"'),(474,1483169101,'27.4 ','The antenna in this diagram has two equal lengths of wire shown as \'X\' forming','\"DIPOLE.GIF\"'),(475,1483169101,'27.5 ','The antenna in this diagram can be made to operate on several bands if the following item is installed at the points shown at \'X\' in each wire: ','\"DIPOLE.GIF\"'),(476,1483169101,'27.6 ','The physical length of the antenna shown in this diagram can be shortened and','\"DIPOLE.GIF\"'),(477,1483169101,'27.7','The approximate physical length of a half-wave antenna for a frequency of1000 kHz is:',''),(478,1483169101,'27.8','The wavelength for a frequency of 25 MHz is:',''),(479,1483169101,'27.9','Magnetic and electric fields about an antenna are:',''),(480,1483169101,'27.10','Radio wave polarisation is defined by the orientation of the radiated:',''),(481,1483169101,'27.11','A half wave dipole antenna is normally fed at the point of:',''),(482,1483169101,'27.12','An important factor to consider when high angle radiation is desiredfrom a horizontal half-wave antenna is the:',''),(483,1483169101,'27.13','An antenna which transmits equally well in all compass directions is a:',''),(484,1483169101,'27.14','A groundplane antenna emits a:',''),(485,1483169101,'27.15','The impedance at the feed point of a folded dipole antenna isapproximately:',''),(486,1483169101,'27.16','The centre impedance of a \'half-wave\' dipole in \'free space\' isapproximately:',''),(487,1483169101,'27.17','The effect of adding a series inductance to an antenna is to:',''),(488,1483169101,'27.18','The purpose of a balun in a transmitting antenna system is to:',''),(489,1483169101,'27.19','A dummy antenna:',''),(490,1483169101,'27.20','A half-wave antenna resonant at 7100 kHz is approximately this long:',''),(491,1483169101,'27.21','An antenna with 20 metres of wire each side of a centre insulator willbe resonant at approximately:',''),(492,1483169101,'27.22','A half wave antenna cut for 7 MHz can be used on this band withoutchange:',''),(493,1483169101,'27.23','This property of an antenna broadly defines the range of frequencies towhich it will be effective:',''),(494,1483169101,'27.24','The resonant frequency of an antenna may be increased by:',''),(495,1483169101,'27.25','Insulators are used at the end of suspended antenna wires to:',''),(496,1483169102,'27.26','To lower the resonant frequency of an antenna, the operator should:',''),(497,1483169102,'27.27','A half-wave antenna is often called a:',''),(498,1483169102,'27.28','The resonant frequency of a dipole antenna is mainly determined by:',''),(499,1483169102,'27.29','A transmitting antenna for 28 MHz for mounting on the roof of a carcould be a:',''),(500,1483169102,'27.30','A vertical antenna which uses a flat conductive surface at its base isthe:',''),(501,1483169102,'27.31','The main characteristic of a vertical antenna is that it:',''),(502,1483169102,'27.32','At the ends of a half-wave dipole the:',''),(503,1483169102,'27.33','An antenna type commonly used on HF is the:',''),(504,1483169102,'27.34','A Yagi antenna is said to have a power gain over a dipole antenna forthe same frequency band because:',''),(505,1483169102,'27.35','The maximum radiation from a three element Yagi antenna is:',''),(506,1483169102,'27.36','The reflector and director(s) in a Yagi antenna are called:',''),(507,1483169102,'27.37','An isotropic antenna is a:',''),(508,1483169102,'27.38','The main reason why many VHF base and mobile antennas in amateur use are5/8 of a wavelength long is that:',''),(509,1483169102,'27.39','A more important consideration when selecting an antenna for workingstations at great distances is:',''),(510,1483169102,'27.40','On VHF and UHF bands, polarisation of the receiving antenna is importantin relation to the transmitting antenna, but on HF it is relatively unimportantbecause:',''),(511,1483169102,'28.1','A \'skip zone\' is:',''),(512,1483169102,'28.2','The medium which reflects high frequency radio waves back to the earth\'ssurface is called the:',''),(513,1483169102,'28.3','The highest frequency that will be reflected back to the earth at any given timeis known as the:',''),(514,1483169102,'28.4','All communications frequencies throughout the spectrum are affected invarying degrees by the:',''),(515,1483169102,'28.5','Solar cycles have an average length of:',''),(516,1483169102,'28.6','The \'skywave\' is another name for the:',''),(517,1483169102,'28.7','The polarisation of an electromagnetic wave is defined by the direction of:',''),(518,1483169102,'28.8','That portion of HF radiation which is directly affected by the surface of theearth is called:',''),(519,1483169102,'28.9','Radio wave energy on frequencies below 4 MHz during daylight hours isalmost completely absorbed by this ionospheric layer:',''),(520,1483169102,'28.10','Because of high absorption levels at frequencies below 4 MHz during daylighthours, only high angle signals are normally reflected back by this layer:',''),(521,1483169102,'28.11','Scattered patches of high ionisation developed seasonally at the height of oneof the layers is called:',''),(522,1483169102,'28.12','For long distance propagation, the radiation angle of energy from the antennashould be:',''),(523,1483169102,'28.13','The path radio waves normally follow from a transmitting antenna to areceiving antenna at VHF and higher frequencies is a:',''),(524,1483169102,'28.14','A radio wave may follow two or more different paths during propagation andproduce slowly-changing phase differences between signals at the receiverresulting in a phenomenon called:',''),(525,1483169102,'28.15','The distance from the far end of the ground wave to the nearest point where the sky wavereturns to the earth is called the:',''),(526,1483169102,'28.16','High Frequency long-distance propagation is most dependent on:',''),(527,1483169102,'28.17','The layer of the ionosphere mainly responsible for long distancecommunication is:',''),(528,1483169102,'28.18','The ionisation level of the ionosphere reaches its minimum:',''),(529,1483169102,'28.19','One of the ionospheric layers splits into two parts during the day called:',''),(530,1483169102,'28.20','Signal fadeouts resulting from an \'ionospheric storm\' or \'sudden ionosphericdisturbance\' are usually attributed to:',''),(531,1483169102,'28.21',' The 80 metre band is useful for working:',''),(532,1483169102,'28.22','The skip distance of radio signals is determined by the:',''),(533,1483169102,'28.23','Three recognised layers of the ionosphere that affect radio propagation are:',''),(534,1483169102,'28.24','Propagation on 80 metres during the summer daylight hours is limited torelatively short distances because of',''),(535,1483169102,'28.25','The distance from the transmitter to the nearest point where the sky wavereturns to the earth is called the:',''),(536,1483169102,'28.26','A variation in received signal strength caused by slowly changing differencesin path lengths is called:',''),(537,1483169102,'28.27','VHF and UHF bands are frequently used for satellite communication because:',''),(538,1483169102,'28.28','The \'critical frequency\' is defined as the:',''),(539,1483169102,'28.29','The speed of a radio wave:',''),(540,1483169102,'28.30','The MUF for a given radio path is the:',''),(541,1483169102,'28.31','The position of the E layer in the ionosphere is:',''),(542,1483169102,'28.32','A distant amplitude-modulated station is heard quite loudly but the modulationis at times severely distorted. A similar local station is not affected. Theprobable cause of this is:',''),(543,1483169102,'28.33','Skip distance is a term associated with signals through the ionosphere. Skipeffects are due to:',''),(544,1483169102,'28.34','The type of atmospheric layers which will best return signals to earth are:',''),(545,1483169102,'28.35','The ionosphere:',''),(546,1483169102,'28.36','The skip distance of a sky wave will be greatest when the:',''),(547,1483169102,'28.37','If the height of the reflecting layer of the ionosphere increases, the skipdistance of a high frequency transmission:',''),(548,1483169102,'28.38','If the frequency of a transmitted signal is so high that we no longer receive areflection from the ionosphere, the signal frequency is above the:',''),(549,1483169102,'28.39','A \'line of sight\' transmission between two stations uses mainly the:',''),(550,1483169102,'28.40','The distance travelled by ground waves in air:',''),(551,1483169102,'28.41','The radio wave from the transmitter to the ionosphere and back to earth iscorrectly known as the:',''),(552,1483169102,'28.42','Reception of high frequency radio waves beyond 4000 km normally occurs bythe:',''),(553,1483169102,'28.43','A 28 MHz radio signal is more likely to be heard over great distances:',''),(554,1483169102,'28.44','The number of high frequency bands open to long distance communication atany time depends on:',''),(555,1483169102,'28.45','Regular changes in the ionosphere occur approximately every 11:',''),(556,1483169102,'28.46','When a HF transmitted radio signal reaches a receiver, small changes in theionosphere can cause:',''),(557,1483169102,'28.47','The usual effect of ionospheric storms is to:',''),(558,1483169102,'28.48','Changes in received signal strength when sky wave propagation is used arecalled:',''),(559,1483169102,'28.49','Although high frequency signals may be received from a distant station by asky wave at a certain time, it may not be possible to hear them an hour later.This may be due to:',''),(560,1483169103,'28.50','VHF or UHF signals transmitted towards a tall building are often received at amore distant point in another direction because:',''),(561,1483169103,'29.1','Electromagnetic compatibility is:',''),(562,1483169103,'29.2','On an amateur receiver, unwanted signals are found at every 15.625 kHz. This is probably due to:',''),(563,1483169103,'29.3','Narrow-band interference can be caused by:',''),(564,1483169103,'29.4','Which of the following is most likely to cause broad-band continuous interference:',''),(565,1483169103,'29.5','If broadband noise interference varies when it rains, the most likely cause could be from:',''),(566,1483169103,'29.6','Before explaining to a neighbour that the reported interference is due to a lack of immunity in the neighbour\'s electronic equipment:',''),(567,1483169103,'29.7','A neighbour\'s stereo system is suffering RF break-through. One possible cure is to:',''),(568,1483169103,'29.8','When living in a densely-populated area, it is wise to:',''),(569,1483169103,'29.9','When someone in the neighbourhood complains of TVI it is wise to:',''),(570,1483169103,'29.10','Cross-modulation is usually caused by:',''),(571,1483169103,'29.11','When the signal from a transmitter overloads the audio stages of a broadcast receiver, the transmitted signal:',''),(572,1483169103,'29.12','Cross-modulation of a broadcast receiver by a nearby transmitter would be noticed in the receiver as:',''),(573,1483169103,'29.13','Unwanted signals from a radio transmitter which cause harmful interference to other users are known as:',''),(574,1483169103,'29.14','To reduce harmonic output from a transmitter, the following could be put in the transmission line as close to thetransmitter as possible:',''),(575,1483169103,'29.15','To reduce energy from an HF transmitter getting into a television receiver, the following could be placed in the TV antenna lead as close to the TV as possible:',''),(576,1483169103,'29.16','A low-pass filter used to eliminate the radiation of unwanted signals is connected to the:',''),(577,1483169103,'29.17','A band-pass filter will:',''),(578,1483169103,'29.18','A band-stop filter will:',''),(579,1483169103,'29.19','A low-pass filter for a high frequency transmitter output would:',''),(580,1483169103,'29.20','Installing a low-pass filter between the transmitter and transmission line will:',''),(581,1483169103,'29.21','A low-pass filter may be used in an amateur radio installation:',''),(582,1483169103,'29.22','Television interference caused by harmonics radiated from an amateur transmitter could be eliminated by fitting:',''),(583,1483169103,'29.23','A high-pass filter can be used to:',''),(584,1483169103,'29.24','A high-pass RF filter would normally be fitted:',''),(585,1483169103,'29.25','A high-pass filter attenuates:',''),(586,1483169103,'29.26','An operational amplifier connected as a filter always utilises:',''),(587,1483169103,'29.27','The voltage gain of an operational amplifier at low frequencies is:',''),(588,1483169103,'29.28','The input impedance of an operational amplifier is generally:',''),(589,1483169103,'29.29','An active audio low-pass filter could be constructed using:',''),(590,1483169103,'29.30','A filter used to attenuate a very narrow band of frequencies centred on 3.6 MHz would be called:',''),(591,1483169103,'30.1 ','In the block diagram shown, the block designated \"modem\" is a:','\"DIGISTA.GIF\"'),(592,1483169103,'30.2 ','In the block diagram shown, the \"modem\":','\"DIGISTA.GIF\"'),(593,1483169103,'30.3','The following can be adapted for use as a modem:',''),(594,1483169103,'30.4','The following are three digital communication modes:',''),(595,1483169103,'30.5','In digital communications, FSK stands for:',''),(596,1483169103,'30.6','In digital communications, BPSK stands for:',''),(597,1483169103,'30.7','When your HF digital transmission is received with errors due to multi-pathconditions, you should:',''),(598,1483169103,'30.8','The letters BBS stand for:',''),(599,1483169103,'30.9','APRS is an adaptation of packet radio. APRS stands for',''),(600,1483169103,'30.10','The following communication mode is generally used for connecting to aVHF packet radio bulletin board:',''); /*!40000 ALTER TABLE `question` ENABLE KEYS */; UNLOCK TABLES;