Intermediate Mock Exam


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