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Intermediate Licence Course

Mock Written Assessment

Time allowed 1 hour 15 minutes. 28 questions correct will as far as we know represent a pass.

A copy of the Schedule from BR68/I will be available during the "real" examination so make sure that you have a copy when you sit the mock exam.


Q1 M0ABC is which level of UK amateur radio callsign?

Result It is not a UK Callsign

Result Foundation

Result Intermediate

Result Full

Q2 Who may use your station ?

Result Anyone.

Result The licensee and anyone under their control.

Result The licensee and any amateur under their control.

Result Only the licensee personally.

Q3 What is the validation document's importance?

Result It sets out the schedule of frequencies that may be operated upon.

Result It gives the callsign that must be used by the licence holder when making CQ calls, and at the start and finish of all period of transmissions.

Result Because is the same as BR68I.

Result It explains in details about unattended operation.

Q4 When must a secondary locator be used?

Result When the station away from the Main Station Address

Result When outside UK

Result When mobile

Result When operating away from the Main Station Address and outside the regional boundary of the Main Station's address

Q5 How many days notice must be given to the local office of the Radiocommunications agency prior to unattended operation ?

Result None required

Result Three

Result Five

Result Seven

Q6 If your station is causing interference what must you do ?

Result Stop operating for a period of 28 days.

Result Seek help from the RA.

Result Do nothing until ordered to do so by a person authorised by the Secretary of State

Result Reduce power, find the sources of the interference and remove them, return to normal operation of the station.

Q7 When does the annual licence for amateur radio expire?

Result At midnight on the day before the anniversary day.

Result At midnight on the day before the anniversary day.

Result At noon on the anniversary day

Result At noon on the day before the anniversary day.

Q8 Which frequency has a power level of written 15dBW

Result 1.855MHz

Result 1.955MHz

Result 1.800MHz

Result 1.810MHz

Q9 Which modes are not permitted on the frequencies 51.00-52.00MHz?

Result RTTY

Result RTTY and facsimile

Result RTTY, Facsimile and SSTV

Result RTTY, Facsimile, SSTV and FSTV

Q10 An electric current is a movement of electrons in ?

Result An insulator

Result A vacuum

Result Air

Result Conductor

Q11 What is the combined resistance of three resistors linked in series having individual values of 1k 2.7K 4.7k

Result 8.4k

Result 2.2k

Result 2.8k

Result 7.7k

Q12 The ability of a capacitor to store a charge is dependent upon?

Result The applied voltage

Result The applied current.

Result The size of the plates and their separation.

Result The material the capacitor is made from.

Q13 A tuned circuit consists of ?

Result A capacitor and resistor

Result A capacitor and an inductor

Result An inductor and resistor

Result A resistor and a diode

Q14 What is the purpose of the iron former in a transformer?

Result To insulate one set of windings from the other.

Result To support the windings

Result To concentrate the electric field.

Result To concentrate the magnetic field.

Q15 What term is used to indicate a flow of electrons in a diode in one direction ?

Result Forward bias

Result Reverse bias.

Result Polarity.

Result Reverse polarity.

Q16 A small current to which connection of a transistor control a larger flow of current through the device?

Result Any.

Result Base.

Result Collector.

Result Emitter.

Q17 When using a multi-meter what precautions must be made before conducting measurements?

Result Set the meter to resistance range.

Result Set the meter to the highest range and work down.

Result Set the meter to the lowest range and work up.

Result Set the meter to a mid range.

Q18 What is the function of the microphone amplifier in a transmitter ?

Result To remove a side band when operating SSB.

Result To reduce the audio level sent to the next stage

Result To remove and DC on the voice signal.

Result The increase the audio level to the next stage

Q19 When Audio Frequencies and Radio Frequencies are mixed the process is called ?

Result Modulation.

Result Demodulation.

Result Attenuation.

Result Deviation.

Q20 What is the numeric value of the 4th harmonic of 1250 Hz

Result 2500 Hz

Result 5000Hz

Result 625 Hz

Result 4000 Hz

Q21 A device that blocks some frequencies but allows others to pass is called ?

Result An Amplifier.

Result A Detector.

Result A modulator

Result A Filter.

Q22 The local oscillator produces a clean signal to pass to ?

Result The RF amplifier.

Result The AF amplifier.

Result The antenna.

Result The mixer.

Q23 If the RF Frequency is 7.1MHz and the Local Oscillator is 6.6Mhz what is the value of the IF ?

Result 13.7MHz

Result 500MHz

Result 500kHz

Result 500Hz

Q24 What is the purpose of the AGC on a receiver ?

Result To improve selectivity.

Result To reduce hum on audio signals.

Result To keep the output at a relatively constant level.

Result To block DC on audio input leads.

Q25 What fields does the RF current flow in a twin feeder cause ?

Result The flow causes equal fields in each conductor.

Result The flow causes equal but opposite fields in each of the conductors.

Result The flow is in one conductor and the other is tied to earth.

Result The flow is alternate first in one conductor and then the other.

Q26 Changing the size of a dipole antenna away from it design of a 1/2 wavelength causes ?

Result Change in the feed impedance.

Result Change in the power it can radiate.

Result Change in the height it must be used above ground.

Result Change in polarization.

Q27 If an antenna has a gain of 9dB and is fed with 10 watts what is it ERP?

Result 10 watts

Result 90 watts

Result 80 watts

Result 9 watts

Q28 Given that the speed of light is 300,000,000 m/s what is the wavelength of 20MHz

Result 15m

Result 1.5m

Result 150m

Result 6m

Q29 Which layer of the ionosphere is the main layer used for HF propagation ?

Result E

Result F

Result G

Result D

Q30 Why are VHF and UHF frequencies good for use with satellite communication ?

Result Because they are bounced back off the ionosphere.

Result Because they travel at the speed of light.

Result Because they are enhanced the upper atmosphere.

Result Because they normally pass easily thought the ionosphere.

Q31 Which directives affect UK equipment as far as EMC is concerned ?

Result British

Result World wide

Result European

Result American

Q32 What constitutes a good RF earth ?

Result Good bonding to water and gas pipes.

Result Good bonding to water and gas pipes.

Result A counterpoise from your ATU

Result An earth stake driven into the ground and radials linked to the stake.

Q33 If a piece of equipment is affected by direct pickup what is the most likely causes ?

Result Any frequency of transmission.

Result HF transmission.

Result UHF transmission

Result VHF transmission

Q34 Why can a mast-head signal preamps for a domestic TV be a problem item for an amateur radio licence holder ?

Result Because they get in the way of fixing antennas to a TV mast.

Result They selectively amplify amateur radio signals more than TV signals and overload the TV input.

Result They are broadband and amplify all signals and overload the TV input.

Result They take DC near to the amateur radio signals causing distortion to the amateur signals.

Q35 Whilst the station log is a licence requirement it will also be useful in EMC problems, how ?

Result It will show the greatest distance you have worked.

Result It will give the callsigns of other stations you have worked.

Result It will give the times and dates you operated.

Result It will give the times and dates you operated.

Q36 What is the meaning of the "Q" code QRL?

Result Has it been raining long?

Result Is this frequency in use?

Result Is this signal using long path?

Result Can you hear my signal?

Q37 In operating terms CW has ?

Result The narrowest bandwidth

Result The greatest bandwidth.

Result The narrowest FM signal.

Result The narrowest AM signal.

Q38 Where can details of an amateur who's callsign is known sometimes be found ?

Result On the internet and in callsign books.

Result On the local voting register.

Result In the local telephone directory.

Result At telephone directory enquiries

Q39 What important feature of a satellite operating station cannot be omitted ?

Result A receiver to hear the downlink.

Result A power meter.

Result An SWR meter.

Result A dummy load

Q40 Asthma and other breathing problems can be a result of?

Result The heat from the soldering iron tip

Result Taking too long to make a joint

Result Using too much solder.

Result Having too little ventilation at the soldering desk

Q41 A centre punch is used to ?

Result Make holes in paper ready to put in a ring binder.

Result Cut small holes in light weight aluminium boxes.

Result Cut larger holes in light weight aluminium boxes.

Result Make a small indentation prior to drilling.

Q42 How far from the supporting wall should the base of a ladder rest when the top is 4m up the wall ?

Result 1m

Result 1.1m

Result 1.2m

Result 1.3m

Q43 If a piece of equipment is rated at 1500 watts what should be the fuse rating in the plug?

Result 1 amp

Result 5 amp

Result 13 amp

Result It does not matter.

Q44 Why should solder joints be made quickly ?

Result The reduce risk of component damage.

Result To reduce the likelihood of dry joints.

Result To reduce the amount of solder used.

Result To reduce the amount of time taken to make up a completed PCB.

Q45 What is the value of a resistor with the colour code of red red orange

Result 22k

Result 2200 ohms

Result 220 ohms

Result 33k