Q1. The symbol V when used in electronics indicate?
A. VOLUME
B. VALUE
C. VOLTS
D. IT IS NOT USED |
Q2. Mega is how many times bigger than 1 ?
A. 10
B. 100
C. 1,000
D. 1,000,000
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Q3. if a current of 2 amps is flowing with a pressure of 20 volts
what power is there?
A. 10 watts
B. 22 watts
C. 18 watts
D. 40 watts |
Q4. Alternating current is so called because?
A. there is no flow of electrons
B. there is a flow of electrons in one direction only
C. the flow of electrons changes direction in a regular pattern
D. the flow of electrons changes once. |
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Q5. Modulation is?
A. a method of fixing a connector to a cable
B. getting the radio signal to carry an audio signal
C. decoding a radio signal
D. decoding and audio signal |
Q6. The microphone gain control is used to?
A. adjust the volume out of the loudspeaker
B. adjust the level of background noise for various effects
C. control the level of input to avoid over modulation
D. switch on the transceiver
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Q7. The outer screen on a coaxial cable
is usually braided to?
A. provide a continuous covering
B. identify the cable
C. prevent water getting into the core of the cable
D. carry the signal to the aerial
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Q8. An ATU is used to?
A. check the SWR of the system
B. measure DC voltage
C. match the antenna and feeder to the transceiver
D. observe printed text
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Q9. Radio wave travel?
A. in straight lines unless reflected of diffracted
B. there are no such things
C. from your mouth to the microphone
D. in circles
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Q10. An amateur radio repeater may be used by?
A. Foundation Licencees only at night
B. Foundation Licencees only with special permission.
C. ground mobile and home based stations
D. Amateur flying in planes
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Q11. When may you play music on the amateur bands?
A. midnight new years eve
B. Christmas Day morning
C. on your own birthday
D. never
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Q12. You must notify change of address to the Secretary of state?
A. before you move
B. the day of the move
C. the day after the move
D. when your station is set up at the new address |
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Q13. Calling CQ means?
A. you only want local calls to reply to your call
B. you only want your friends to reply to your call
C. your station is going off air due to a technical fault
D. any amateur may reply to your call |
Q14. On the 2m band the repeater off set is?
A. 1.2MHz above the receive frequency
B. 600kHz above the receive frequency
C. 600kHz below the receive frequency
D. 1750Hz below the receive frequency
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Q15. FM transmission are?
A. least likely to cause EMC problems
B. most likely to cause EMC problems
C. always cause EMC problems
D. never cause EMC problems
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Q16. the ability of equipment to withstand interference is know as ?
A. community
B. immunity
C. humidity
D. impunity |
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Q17. Car batteries when fully charged can supply high current?
A. no
B. yes
C. they don't supply current
D. batteries only supply volts |
Q18. Car batteries give off which gas when charging?
A. Carbon dioxide
B. oxygen
C. helium
D. hydrogen |
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Q19. a radio station should have a single isolation switch so that it
can be rapidly shut down in an emergency?
A. true
B. false because any failure will blow the fuse in the plug
C. false because the house fuse box gives sufficient protection
D. false because of double insulation to modern equipment |
Q20. You may transmit any mode?
A. in compliance with the band plan and your licence condition
B. at low power on any frequency
C. if the aerial is not connected to the transceiver
D. between 0100hr and 0600hrs monday to friday.
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