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Amateur Radio Practice Questions
 This has been tested on Internet Explorer V 5 only at present. It will not work properly on Netscape 4.7


 
 
 
  
1.   In a superhetrodyne receiver which stages provide the most gain and selectivity? 
a Mixer.
b R.F. Amplifiers 
c I.F.  Amplifiers
d A.F. Amplifiers.
2.  In the call GM0BXR to what area does the M refer 
a Maldeves
b Scotland 
c Isle of Man 
d Wales 
3.  Which of the following is not in an amateur band
a 51.20Mhz
b 144.15
c 432.29
d 1370.77
4.  In which waveband is there a low power segment? 
a 40 m
b 30 m
c 160 m
d 2m
5. Working from tempory premises in Wales we use
a GW2ZZZ/A and the full address of the temporary premises.
b G2ZZZ/A and the location. 
c GM22ZZ/A and the temporary address. 
d GW2ZZZ/P and the location
6. Which one of the following designates a class of UK Amateur Licence
a P. 
b CB. 
c B. 
d M. 
7.  The Fig.shows a sine wave. What is the root mean square (r.m.s.) value of the voltage.
a the same as the mean value 
b 0.636 of the maximum value
c 0.707 of the maximum value
d the square root of the maximum value 
8. The power amplifier of a transmitter is operated in linear mode.  The output will 
a be generated with the minimum power supply consumption
b only be suitable for morse and data 
c contain less harmonics than the input
d be an amplified replica of the input waveform. 
9. Which one of the following is a club callsign?
a GD1XYZ. 
b GM1XYZ. 
c GS1XYZ. 
d GU1XYZ. 
10. The essential requirement for a log book is that it must have?
a no fewer than 50 pages. 
b be obtained from the City and Guilds. 
c not be loose leaf. 
d be loose leaf. 
11.   To be a holder of a A class liscence you must be. 
a over 16 years of age
b have paid the fees for the R.A.E. 
c a holder of a morse test pass certificate.
d have appled to take the morse test.
12.  Under what emergency situation could certain H.F. Amateur bands be used. 
a difficulties due to propagation of aeronautical services
b international disaster communications. 
c Poor maritime reception. 
d Failure of public correspondence services between nations. 
13.  The holder of a Class A amateur licence may allow operation under their supervision by
a A British Telecom Representative
b A Radio Investigation Service Officer
c A holder of an Amateur Radio licence from any country
d A 27Mhz FM Citizen's Band Licence Holder
14.  A licensed amateur may use his station for which non profit making organisation? 
a A Social Club for Ex Servicemen
b An organisation for the furtherance of Amateur Radio
c A church organisation
d A political organisation they support
15. In which countries can a holder of a Class A Licence operate
a North America and Canada.
b Any which are CE approved. 
c Any that implemented CEPT recommendation T/R 61-01. 
d European Economic Community Members.
16. The secretary of state may organise an inspection of an amateur station for 
a checking that the station is in regular use 
b checking that the licence terms have been complied with 
c checking all log entries have been signed 
d checking for a satisfactory S.W.R. 
17.  The Fig.shows Field Effect Transistor. The connection symbol marked with an X is.
a cathode 
b drain
c gate
d emitter 
18. What is the corrct suffix for Maritime Mobile operation
a /MM 
b /MA 
c /MAR 
d /M 
19. The licensee shall test his transmisions for radiation of spurious emissions and keep a record of these tests?
a With an oscilloscope . 
b once a month. 
c every six months. 
d from time to time. 
20. A common cause of fading in the H.F. bands is?
a variation in receiver sensitvity. 
b clouds passing overhead. 
c movement of the antenna. 
d summation of signals arriving from different paths. 
21.   In addition to details of callsigns of stations worked and except during automatic operation of a digital mode the station log should include details of. 
a Received Signal Strength
b Antenna details. 
c Initials of the  license holder.
d CQ calls.
22.  In order  to keep the power requirements of a satellite transponder to a minimum what would be the best modulation type. 
a Frequency Modulation
b Single Sideband
c Amplitude Modulation
d Radio Teleprinter (RTTY)
23.  Which of the following is used for F. M. demodulation?
a Balanced Mixer
b Ratio Detector
c Envelope Detector
d Product Detector
24.  How can the power output of an amateur station be substantially increased? 
a By improving the SWR
b By the use of an Aerial Tuning Unit (A.T.U.)
c Use of a linea power amplifier
d By Switching to Upper Sideband
25. Why would a negative temperature coefficient capacitor  be used in a Voltage Controlled Oscillator
a To compensate for drift due to the increase in inductance of the coil with temperature.
b To prevent thermal runaway. 
c To improve the selectivity of tuning.. 
d To improve the noise performance of the oscillator
26. When would a two tone test be used.
a To check for radiation of  2nd and 3rd harmonics
b To set up the modulation level of an A. M. signal.
c To set up a linear amplifier for single sideband
d To check toneburst access to a 2 meter repeater. 
27.  The Fig.shows a bipolar transistor circuit. What is the purpose of A and B.
a To provide a base bias potential 
b To prevent thermal Runaway
c Increase the gain
d Improve the H.F. response of the circuit
28. In the Amateur Licence Terms, Provisions and limitations booklet BR68 Wireless telegraphy means
a any permitted type of transmision. 
b morse and data only. 
c morse, RTTY, data, facsimile, SSTV only. 
d all types of transmissions except telephony. 
29. What device would be used to verify that a non crystal controlled transmitter was operating within band?
a Crystal Oven. 
b AbsorbtionWavemeter. 
c A heterodyne wavemeter using a crystal oscillitor. 
d A bandspread control. 
30. What does the abbreviation R.S.T. mean?
a Received Signal Tone. 
b Relayed Signal Tone. 
c Readabilty; Signal Strength; Tone. 
d Received Standard Transmission. 
31.   Band planning. 
a Minimises Interference between different modes
b Is a licence condition which must be complied with 
c Is only applicable in the 2 metre band.
d Is only applicble for SSTV and digital modes..
32.  A station isolation switch is installed so that in the event of electric shock power can be switched off. The most important feature of the switch is:- 
a should be illuminated with the word Danger on it.
b should be red in colour. 
c  function and position known to all household members. 
d Must be mounted out of the reach of children. 
33.   Ionospheric propagation occurs most often in  the frequency range.
a 300KHz  -  3MHz
b 30MHz  -  300MHz
c 3MHz -  30 MHz
d 30KHz  -  300KHz
34.  A transmitter has an output of 400 watts. What is this in dbw? 
a 4000 dbw
b 14 dbw
c 23 dbw
d 26 dbw
35. A power transformer cannot
a Increase the supply voltage.
b Increase the supply current. 
c Increase the supply power. 
d Increase the impedance of the supply.
36. If a strong signal overloads the first stages of a receiver what control is best adjusted? 
a Notch Filter
b R.F. Gain 
c A.F. Gain 
d Squelch 
37.  Fig shows a measuring device V. What would be the most suitable device for V
a Electronic Voltmeter 
b D.C. Current Metre
c 10,000 W per volt multimeter
d Oscilloscope.
38. A pi - network utilises two capacitors and a coil what type of filter is it? 
a Low Pass Filter 
b High Pass Filter 
c Band Pass Filter 
d Band - stop Filter
39. A Public address sytem is experiencing breakthrough from a V.H.F. transmission.  A suitable R.F. decoupling component is?
a 100 uF  aluminium electrolytic capcitor . 
b 1 nF Ceramic Capacitor. 
c 10 mF Tantalum bead capacitor. 
d 0.1 pf Silvered Mica capacitor. 
40. Desensitising of a T.V. receiver is caused when?
a The antenna is too high. 
b There are strong R.F. signals in close proximity.
c  The brightness of the T.V. is excessive 
d  The rig is being operated out of band.. 

 
 
 
 
 
 
 
 
 
 
 
 

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