1.) Which of the following callsigns would be a UK Intermediate Licence holder? |
| M3QRP |
MM1QRZ |
2U0QTH |
GI4QRX |
2.) An Intermediate Licence holder may operate using the callsign of: |
| another Intermediate Licence holder without supervision |
another Intermediate Licence holder under the supervision of the other Licence holder |
a Full Licence holder under the supervision of the Full licence holder |
any amateur radio station under the supervision of the Licence holder |
3.) When operating from a hotel during a week's holiday the temporary location of the Station must be given: |
| every 15 minutes to an accuracy of at least 5km |
every 15 minutes to an accuracy of at least 10km |
every 30 minutes to an accuracy of at least 5km |
every 30 minutes to an accuracy of at least 10km |
4.) Which of the following is a Regional Secondary Locator for the United Kingdom? |
| S |
D |
X |
G |
5.) Which of the following types of unattended operation is NOT permitted by the Intermediate Licence?: |
| Beacon transmissions |
Leaving a data transmitter running whilst out at work |
The operation of a hidden transmitter intended for a direction finding contest |
Operation by another licensed radio amateur whilst you are out at work |
6.) How often must an Intermediate Licence holder test his/her station to ensure it is not causing 'undue' interference? |
| from time to time |
daily |
weekly |
monthly |
7.) An amateur Licence must be renewed before: |
| midday on the anniversary of the date of issue |
midday on the day before the anniversary of the date of issue |
the end of day on the anniversary of the date of issue |
the end of the day before the anniversary of the date of issue |
8.) What is the maximum permitted RF output power for an Intermediate Licence holder operating on 431.950MHz: |
| 1W erp |
32W |
40W |
50W |
9.) On which of the following Intermediate Licence frequency allocations must users accept interference from Industrial, Scientific and Medical users: |
| 14.000 - 14.350MHz |
24.890 - 24.990MHz |
24000 - 24150MHz |
248000 - 250000MHz |
10.) If a transmitter is rated at 10W input power and requires a 20V supply, what current will it draw: |
| 0.5mA |
500mA |
2A |
200A |
11.) If three 10kO resistors are wired in series their combined value will be: |
| 1kO |
3.3kO |
10kO |
30kO |
12.) A capacitor is best defined as: |
| a number of turns of wire |
two metal discs separated by a thin layer of plastic |
a diode that can be used to set the frequency of a tuned circuit |
a semi-conductor |
13.) To change the resonant frequency of a tuned circuit you would need to change the: |
| frequency of the oscillator |
value of the supply current |
value of the supply voltage |
combined values of the inductor and the capacitor |
14.) In a 24V mains power supply unit the transformer is used to: |
| smooth the dc pulses |
change the alternating current to dc pulses |
reduce the 230V mains to 24V ac |
reduce the 230V mains to 24V dc |
15.) In a 24V mains power supply unit the rectifier diode is used to: |
| smooth the dc pulses |
change the ac to pulses of dc |
reduce the 230V mains to 24V ac |
reduce the 230V mains to 24V dc |
16.) If a small base current flows in a transistor the collector current will be: |
| equal |
larger |
smaller |
opposite |
17.) To measure current in a series circuit, the multi-meter test probes should be connected: |
| in parallel with the relevant circuit |
in parallel with the component under test with the battery disconnected |
in series with the relevant circuit |
in series with the component under test with the battery disconnected |
18.) In a modern transmitter the balanced modulator is normally used to produce: |
| single sideband |
two sidebands |
frequency modulation |
two tones for data transmissions |
19.) Mixing audio and radio signals together produces: |
| sidebands |
harmonics |
oscillations |
spurious emissions |
20.) Harmonics from a transmitter are normally described as: |
| reflections from aurora |
spurious emissions from transmitter |
interference from man-made sources |
multiples of the fundamental frequency |
21.) The output from the demodulator in a superheterodyne receiver will be at the: |
| audio frequency |
intermediate frequency |
wanted radio frequency |
local oscillator frequency |
22.) The wanted signals in a superheterodyne receiver are selected by tuned circuits in the: |
| af amplifier |
if amplifier |
rf amplifier |
rf and if amplifiers |
23.) The purpose of a frequency discriminator is to: |
| produce frequency modulation |
demodulate frequency modulation |
measure the frequency of an oscillator |
select the wanted frequency in an FM receiver |
24.) Coaxial feeder can be buried in damp ground because: |
| the outer insulation acts as an rf screen |
the damp earth helps to ground the antenna |
radio frequency fields only exists between the feeder conductors |
the equal and opposite rf fields cancel each other out |
25.) If you find that you have a high SWR reading, you can reduced it by: |
| shortening the feeder length |
tuning the antenna to match the frequency in use |
tuning the transmitter's power amplifier to match the frequency in use |
adjusting the ATU to match the transmitter's output impedance to the feeder's characteristic impedance |
26.) If an Intermediate Licence holder feeds 16W of rf power into an antenna with a stated gain of 12dB the ERP will be: |
| 1W |
28W |
192W |
256W |
27.) Which of the following is the lowest in height: |
| the troposphere |
the D layer of the ionosphere |
the E layer of the ionosphere |
the F layer of the ionosphere |
28.) Long distance VHF signals are normally propagated via: |
| ground wave |
E layer reflection |
F layer reflection |
Moon bounce |
29.) Snow, ice or heavy rain would reduce propagation mostly on: |
| LF |
HF |
VHF |
UHF |
30.) The output from commercial amateur radio transmitters normally cause interference because: |
| they are poorly designed |
the do not have adequate filters |
EMC regulations do not apply to amateur equipment |
the rf fields generated are greater than the limits specified in EMC regulations |
31.) To check for over-modulation you need to: |
| replace the transmitting antenna with a dummy load |
tune a sensitive receiver to multiples of the transmitter frequency |
tune a de-sensitised receiver to either side of the transmitter frequency |
replace the mains power supply unit with a battery |
32.) 'Ghosting' of a domestic television picture is likely to be a result of: |
| amplitude modulated interference |
frequency modulated interference |
two pictures from the one transmitter being received at the same time |
an electrical motor (e.g. a hair drier) running near by |
33.) Voice signals from an amateur transmitter are being picked up on a CD player that has external speakers. You should fit: |
| a high pass filter in the transmitter feeder |
a low pass filter in the transmitter feeder |
a ferrite ring on the mains cable of the CD player |
ferrite rings on all the leads of the CD player, including the external speaker leads |
34.) When investigating a complaint of breakthrough from your Station which of the following documents would be MOST useful? |
| your logbook |
your TV Licence |
the Ofcom booklet BR68/I |
your current Validation Document |
35.) The code 'QRZ?' means: |
| Who is calling me? |
What is your location? |
Do you have my details? |
Are you suffering from static noise? |
36.) Which of the following types of transmission is LEAST likely to be affected by rapidly changing propagation conditions? |
| CW |
SSB |
FM |
SSTV |
37.) To enter an amateur radio contest you will normally need to: |
| operate from an unusual location |
exchange specified information correctly |
produce QSL cards confirming all contacts |
be a member of the relevant national society |
38.) When using an amateur satellite to contact another country you must be able to receive: |
| the up-link frequency |
the down-link frequency |
both the up-link and down-link frequencies |
the satellite's beacon |
39.) When soldering, good eye protection is needed because: |
| the tip of the soldering iron is very hot |
the solder fumes are corrosive to eyes |
getting solder fumes in your eyes can cause asthma |
molten solder could be flicked into the eyes causing blindness |
40.) When drilling through metal sheeting you should always: |
| wear a tool belt |
hold tools by their blades |
hold the sheeting in a vice or clamp |
ensure that there is good ventilation |
41.) If you are fixing a new antenna to an existing mast you must: |
| only use a metal ladder |
ensure that you are alone on the site |
set the ladder at the correct angle (4 up to 1 out) |
ensure that the ladder is placed well away from the antenna |
42.) A fuse is used to: |
| produce inductance in a mains lead |
remove the mains supply in the event of too much current flowing |
remove the mains current if there is a very small current to earth |
protect against PME |
43.) 'Tinning' can be described as: |
| scraping the bare wire to make it shine |
enclosing a tuned circuit with a tin shield |
ringing in the ears caused by listening to the radio at high volume |
coating a surface with solder before making the joint |
44.) A resistor with the coloured bands brown, black, black, silver would have a value close to: |
| 0.10 |
10 |
100 |
1000 |