Satellite Communication MCQ Questions & Answers

Satellite Communication MCQ Questions & Answers | ECE

Learn Satellite Communication MCQ questions & answers are available for a Electronics and Communications Engineering(ECE) students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Satellite Communication MCQ question is the important chapter for a Electronics and Communications Engineering(ECE) and GATE students. Page-1 section-3

In satellite communication, scrambling is mainly used for-

A) clock recovery B) encryption C) limiting power spectral density D) bandwidth efficiency

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Answer & Solution

Answer: Option D

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For an orbiting satellite, in magnitude

A) The kinetic energy is equal to the potential energy B) The kinetic energy is twice the potential energy C) The kinetic energy is half the potential energy D) The kinetic energy is one- fourth the potential energy

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Answer & Solution

Answer: Option C

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A television (TV) transmission using satellite is an example of which type of transmission?
1. Half duplex
2. Full duplex
3. Simplex

A) 1, 2 and 3 B) 1 only C) 2 only D) 3 only

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Answer & Solution

Answer: Option D

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A satellite communication link has uplink C/N₀ of 50 dB-Hz and downlink C/N₀ of 47 dB-Hz. What would be overall link C/N₀?

A) 44 dB-Hz B) 45 dB-Hz C) 48.5 dB-Hz D) 53 dB-Hz

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Answer & Solution

Answer: Option B

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Expensive tracking equipment is not requires for:

A) Low earth orbit satellite LEO B) Medium earth orbit satellite MEO C) Geosynchronous earth orbit GEO satellite D) All the above three types

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Answer & Solution

Answer: Option C

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What was the first commercial geostationary communication satellite?

A) INTELSAT 1 B) ECHO C) INSAT-TA D) SPUTNIK

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Answer & Solution

Answer: Option A

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One of the following is found on board a weather satellite

A) VHRR (Very high resolution radiometer) B) Transponder C) Telescope D) High resolution camera

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Answer & Solution

Answer: Option D

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The number of Active transponders are carried by a high capacity satellite are

A) 10-12 transponders B) 12-44 transponders C) 12-18 transponders D) 16-44 transponders

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Answer & Solution

Answer: Option B

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If the peak transmitted power in a radar system is increased by a factor of 16, the maximum range will be increased by a factor of

A) 2 B) 4 C) 8 D) 16

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Answer & Solution

Answer: Option A

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A radar system uses a rotating antenna

A) determine the target range B) determine the target bearing C) identify the target D) determine target velocity

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Answer & Solution

Answer: Option B

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