Satellite Communication MCQ Questions & Answers

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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-7 section-2

Each section contains 100 MCQs on Satellite Communication .

Transponders are:

A) Only the transmitter in a satellite B) Only the receiver in a satellite C) Transmitter and receiver combination in a satellite D) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

For global communication the minimum number of satellites needed is

A) 1 B) 2 C) 3 D) 6

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Due to which of the following reasons the low orbit satellite are not used for communication

A) They heat up and melt B) They do not provide 24 hours per day contact to the user on the earth C) They travel round the earth the earth too quickly D) None of the these

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The component in the satellite that takes an uplink signal and converts into a downlink signal is called

A) uplink device B) transponder C) downlink device D) transmitter

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

In satellite links the uplink and downlink frequencies are made different for which of the following purpose?

A) To reduce antenna size B) To reduce transmitter power C) To increase modulation between the satellite transmitter and receiver D) Any of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

A satellite earth station antenna having a maximum gain of 60 dB at the operational frequency is fed from a power amplifier generating 10 kW. If the feed system has a loss of 2 dB earth station EIRP is

A) 98 dBW B) 72 dBW C) 102 dBW D) 68 dBW

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

MEO satellites are located at altitudes between (in km)

A) 3,000 and 5,000 B) 5,000 and 10,000 C) 5,000 and 15,000 D) 1,000 and 6,000 E) 10,000 and 30,000

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Tropospheric microwave communication is called what propagation

A) LOS propagation B) Troposcatter C) Duct propagation D) Spacewave

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

In a satellite system, circular polarization is to be obtained. The antenna used is

A) parabolic antenna B) horn-antenna C) log-periodic antenna D) helical antenna

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

A pulse radar has a pulse repetition frequency (PRF) of 3 KHz. If the radar is emitting at 10 GHz, what is the maximum unambiguous range for this radar?

A) 5 Km B) 5 m C) 50 Km D) 15 m

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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Satellite Communication MCQ Questions & Answers | ECE