Practise multiple-choice questions

 

Sample examination 2, Paper 2

        Operating practices, procedures and theory

 

Ctrl + Refresh will clear the answers to allow a rerun of this paper.


1.        Before making a CQ call:

Click to reveal the correct answer


2.    To access a repeater in the UK one must:  

Click to reveal the correct answer


3.     If a station asks 'please QSY, this means:

Click to reveal the correct answer


4.     The only general call allowed from an amateur station is:  

Click to reveal the correct answer


5.    When working through a satellite use:  

Click to reveal the correct answer


6.    For safety reasons all exposed metal work in an amateur station should be:  

Click to reveal the correct answer


7.    If a readability report of R2 is given, this would indicate:  

Click to reveal the correct answer


8.    When wearing headphones it is not advisable to:  

Click to reveal the correct answer


9.    Which of the following uses the International Phonetic Alphabet?  

Click to reveal the correct answer


10.  A light bulb is rated at 12V, 3W. The current drawn when used on a 12V source is:  

Click to reveal the correct answer


11.    The tolerance of a resistor is given as 10%. If the nominal value is 4700W, then its value must lie between:  

Click to reveal the correct answer


12.        The total capacitance of the following circuit is:

              

Click to reveal the correct answer


13         The following impedance-frequency curve represents

           

Click to reveal the correct answer


14.    The resonant frequency of a tuned circuit is 1MHz and the bandwidth at the -3dB points is 10kHz. The Q factor of the circuit is:  

Click to reveal the correct answer


15.     The impedance seen at terminals AB in the following diagram is:

             

Click to reveal the correct answer


16.     There are two basic forms of transistor, these are:  

Click to reveal the correct answer


17.    A varactor diode acts like:  

Click to reveal the correct answer


18.      The following circuit is for:

             

Click to reveal the correct answer


19.      Colpitts, Hartley, Clapp-Gouriet and Vackar are all types of:  

Click to reveal the correct answer


20.      For a transistor to conduct:  

Click to reveal the correct answer


21.      A Class C amplifier conducts over:  

Click to reveal the correct answer


22.      The input resistance of a common-emitter amplifier stage is in the region of:  

Click to reveal the correct answer


23.      The main filtering of the wanted signal in a superheterodyne receiver is normally accomplished in:  

Click to reveal the correct answer


24.      A receiver is quoted as having a sensitivity of 0.5mV for 20dB S/N ratio. The latter refers to a comparison between:  

Click to reveal the correct answer


25.           The circuit shown below is that of:

             

Click to reveal the correct answer


26.       In the detection of SSB signals there is normally a carrier insertion oscillator. In a high-quality receiver this is:  

Click to reveal the correct answer


27.       One advantage of FM over AM is:  

Click to reveal the correct answer


28.       For CW reception, the difference in frequency of the BFO and final IF should be about:  

Click to reveal the correct answer


29.       In frequency modulation, the amplitude of the modulating signal manifests itself as: 

Click to reveal the correct answer


30.       The frequency of a VFO depends on an L-C circuit. The frequency is determined by:  

Click to reveal the correct answer


31.       The following spectrum plot is typical of:

              

Click to reveal the correct answer


32.      The following is part of a transmitter. It is typical of..

              

Click to reveal the correct answer


33.       A VFO should ideally be followed by:  

Click to reveal the correct answer


34.       Which of the following represents 100% amplitude modulation?  

Click to reveal the correct answer


35.        The advantage of J3E transmission is:  

Click to reveal the correct answer


36.     The circuit below represents a:

              

Click to reveal the correct answer


37.       In the diagram of question 36, components L1, L2, C1 and C2 provide:  

Click to reveal the correct answer


38.        In electromagnetic radiation, which of the following is true ?  

Click to reveal the correct answer


39.       The major mode of propagation up to about 2MHz is by: 

Click to reveal the correct answer


40.       The skip zone is where the ground wave:  

Click to reveal the correct answer


41.       Refraction of an electromagnetic wave is: 

Click to reveal the correct answer


42.       The MUF for a given radio path is: 

Click to reveal the correct answer


43.       A 10cm wavelength in air corresponds to:  

Click to reveal the correct answer


44.       If two signals arrive at a point out of phase:  

Click to reveal the correct answer


 45.       Inserting traps into each leg of a dipole: 

Click to reveal the correct answer


46.       What is the length of a piece of coaxial cable cut for a full wavelength at 100MHz, if the velocity factor is 0.66?  

Click to reveal the correct answer


47.       A moving-coil meter depends on which of the following in order to operate?  

Click to reveal the correct answer


48.       Which of the following items could be attached to a moving-coil meter in an attempt to measure power?  

Click to reveal the correct answer


49.       An SWR meter is inserted into a perfectly matched transmitter/antenna system. The value shown should indicate:  

Click to reveal the correct answer


50.       Which of the instruments below has the highest accuracy?  

Click to reveal the correct answer


51.      To check that a crystal is working on its correct overtone, the simplest piece of equipment necessary is:  

Click to reveal the correct answer


52.    The  trace below is on an oscilloscope monitoring an AM transmission. The depth of modulation is:  

           

Click to reveal the correct answer


53.       A good dummy load is constructed from:  

Click to reveal the correct answer


54.       The typical accuracy of a dip oscillator might be: 

Click to reveal the correct answer


 55.       An RTTY signal requires a bandwidth of ±3kHz. A frequency counter of accuracy 1 part per million is used to check the frequency readout of the 145MHz transmitter. How close can the signal be transmitted to the band edge to ensure transmission is within the licence conditions? 

Click to reveal the correct answer


 


Index

-

page (a4-1-4)
Some material Copyright RSGB.
Click here for important Copyright information
Web Space provided by Hostroute.com Ltd
email the Project Co-ordinator