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About the Electronics & Communication MCQ category
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39
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February 19, 2022
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Which of the following NTDS links, which one(s) is/are only used as ___
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28
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March 28, 2022
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Laser transmissions during adverse weather conditions experience ___
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28
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March 28, 2022
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Which of the following components is a close relative of the laser?
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32
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March 28, 2022
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The principle of the laser is much like that of, which of the ___
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25
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March 28, 2022
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A laser operates in which of the following areas of the light spectrum?
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22
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March 28, 2022
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What is the maximum number of channels available when you are ___
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25
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March 28, 2022
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When in the automatic mode of operation, the transmitter transmits ___
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21
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March 28, 2022
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What is the primary source of power for the cotransmitter?
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29
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March 28, 2022
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Which of the following advantages, which one is ___
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27
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March 28, 2022
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When designing portable and pack radios, which of the ___
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0
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28
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March 28, 2022
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What are the operating frequencies of the transmitter?
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0
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18
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March 28, 2022
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Search and rescue stations are divided into ___
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0
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33
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March 28, 2022
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Portable radio sets are used primarily for ___
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0
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21
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March 28, 2022
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The NTDS uses which of the following data transmission links?
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0
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32
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March 28, 2022
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A one-hop transmission of a tropo-scatter system can ___
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27
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March 28, 2022
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Horn-driven paraboloid antennas have which of the following characteristics?
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0
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30
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March 28, 2022
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In a line-of-sight communications system, propagation is ___
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0
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23
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March 28, 2022
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Which of the following amplifiers, which one has ___
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0
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23
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March 28, 2022
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The demodulation of ssb, cw, and fsk signals is ___
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0
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25
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March 28, 2022
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The rejection of input frequencies above 900-kilohertz is performed by ___
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20
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March 28, 2022
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With one exception, the receiver has the same circuitry as ___
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0
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27
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March 28, 2022
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Which of the following antenna arrays consists of ___
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0
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24
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March 28, 2022
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Which of the following communications system ___
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0
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23
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March 28, 2022
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The pre-ipa and ipa in an mf transmitter are which of the following types?
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0
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26
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March 28, 2022
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In an mf transmitter, the frequency generator is used during ___
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0
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24
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March 28, 2022
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Satellite communications systems are being rapidly developed by ___
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0
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18
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March 28, 2022
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What determines the length of time that a nonsynchronous satellite in ___
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0
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20
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March 28, 2022
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The availability of a satellite to act as a relay station between ___
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0
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20
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March 28, 2022
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The rf power output of a satellite communications system is ___
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0
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24
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March 28, 2022
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