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26 Cards in this Set
- Front
- Back
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Which, of the items listed below, is NOT a type of Amateur licence? A Intermediate B Foundation C Beginner D Full |
Answer C Beginner |
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When transmitting, you must give your call sign A when establishing contact and at least every 5 minutes B when establishing contact and as frequently as is practicable. C during CQ calls and at the beginning and end of the contact D at the beginning and end of the contact. |
Answer B when establishing contact and as frequently as is practicable |
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You are talking to M3ABC using amateur radio and friends enter his room. You may alsoaddress remarks to these friends A if they are a family members B if M3ABC gives permission C if they are also amateurs D but only on the calling channel. |
Answer C if they are also amateurs |
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If an amateur changes address, he/she MUST notify A the local council planning office B the RSGB (Radio Society of Great Britain) C Ofcom within 5 days of moving D Ofcom immediately on moving. |
Answer D Ofcom immediately on moving. |
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On which one of the frequencies below may a Foundation licensee transmit? A 7.5MHz B 15MHz C 72MHz D 145MHz |
Answer D 145MHz |
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Which part of an amateur band is not permitted within 100km of Charing Cross, London? A 1·810-1·830MHz B 51·00-52·00MHz C 431·0-432·0MHz D 438·0-440·0MHz |
Answer C 431·0-432·0MHz |
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The correct formula relating the voltage, V, the current, I, and the resistance R is A R = V - I B R = V × I C R = I / V D R = V / I |
Answer D R = V / I |
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To turn the bulb on in the diagram you should A set switch S2 to position 2 then close switch S1. B close switch S1 then set switch S2 to position 2 C close switch S1 and keep switch S2 at position 1 D leave switch S1 open and keep switch S2 at position1 |
Answer A set switch S2 to position 2 then close switch S1. |
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The UK mains supply is A 230V D.C. B 230V 50Hz C 230V 60Hz D 230V 100Hz |
Answer B 230V 50Hz |
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The frequency 121·5MHz is used for A Aeronautical radio. B Amateur radio. C Land based radio. D Satellite radio. |
Answer A Aeronautical radio. |
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What is box marked ‘2’ in the block diagram? A Frequency generation oscillator. B RF amplifier. C Modulator. D Audio amplifier. |
Answer C Modulator. |
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Excessive microphone gain may cause A the transmit frequency to drift B interference to adjacent channels C the received voice to become higher in pitch D the standing wave ratio to increase above its limits. |
Answer B interference to adjacent channels |
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In the block diagram of a radio receiver shown thesignal between box 1 and box 2 will be A several RF signals, probably all modulated B a single modulated RF signal C a low level audio frequency signal D a fairly strong audio signal. |
Answer B a single modulated RF signal |
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The photograph shows the rear panel of an HF transceiver. The feeder to the antennashould be fitted with a A PL259 plug B BNC plug C jack plug D phono plug |
Answer A PL259 plug |
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Which drawing shows a dipole antenna? A Drawing A B Drawing B C Drawing C D Drawing D |
Answer C Drawing C |
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An antenna is connected via the feeder directly to the transmitter but used on the wrongfrequency. This will have the effect of. A reflecting some of the power from the transmitter back along the feeder B risking damage to the antenna C reducing the SWR on the feeder D increasing the signal strength received at a distance from the transmitter. |
Answer A reflecting some of the power from the transmitter back along the feeder |
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An amateur wishes to achieve a greater range on VHF or UHF. Which option is likely tobe most successful? A Increase the antenna height above surrounding roofs. B Use a longer feeder to the antenna. C Use UHF for greatest range. D Move the antenna onto the ground in the garden. |
Answer A Increase the antenna height above surrounding roofs. |
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The ionosphere is A layers of reflective gasses at heights of 70 to 400km. B another name for the air we breathe. C a type of spherical transmitting antenna. D a piece of amateur radio test equipment. |
Answer A layers of reflective gasses at heights of 70 to 400km. |
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A neighbour has a small battery powered domestic radio and a similar mains powered one.The mains powered one suffers interference when you transmit but the battery poweredone doesn’t. The interfering signal A must be getting into the mains through the transmitter mains power lead B is probably being picked up by the aerial on the two receivers C is probably a harmonic from your transmitter D may be being picked up by the mains wiring to the radio. |
Answer D may be being picked up by the mains wiring to the radio. |
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Which transmission is MOST likely to cause interference? A A high power FM transmission. B A low power FM transmission. C A high power SSB transmission. D A low power SSB transmission. |
Answer C A high power SSB transmission. |
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A neighbour complains that your transmissions were causing interference to his television.You should A say it’s not your fault because you were operating in accordance with your licence B advise him to inform the local authority C advise him to contact Ofcom D offer to help by initially checking the times of your transmissions. |
Answer D offer to help by initially checking the times of your transmissions. |
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Immediately before making an initial call an amateur should A make an entry in the log book B listen on the frequency C connect the feeder to a dummy load D check the power supply is switched on. |
Answer B listen on the frequency |
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Band Plans are published because A it is a convenient way of remembering the schedule to the amateur licence B it allows the different modes and types of transmission to best share the band C it allocates most of the band to the higher power stations D it is illegal to operate in contravention of the band plan. |
Answer B it allows the different modes and types of transmission to best share the band |
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You are in contact with a friend by radio and he plays you a piece of music he has written.In reply you should A say it is not considered acceptable to play music on amateur radio. B say it is against the terms of the licence to play music on amateur radio C agree it is a nice piece of music and continue to chat about it. D suggest a couple of changes might work and then play it again. |
Answer A say it is not considered acceptable to play music on amateur radio. |
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What is the most serious risk when working inside equipment that uses high voltages? A Such equipment is more likely to develop a fault. B Spare parts are harder to obtain. C High voltage equipment is more complicated and harder to repair. D There is a risk of receiving a fatal electric shock. |
Answer D There is a risk of receiving a fatal electric shock. |
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You find an amateur friend lying on the floor, silent and apparently not moving, beside histransmitter which has fallen off the desk. Provided it is safe to do so, you should A go for help B turn him face up C switch off the power D pull any microphone and other cables away from him. |
Answer C switch off the power |
