Satellite Communication MCQ Questions & Answers | ECE

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

A. 1

B. 2

C. 3

D. 6

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

A. uplink device

B. transponder

C. downlink device

D. transmitter

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

A. 98 dBW

B. 72 dBW

C. 102 dBW

D. 68 dBW

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

A. LOS propagation

B. Troposcatter

C. Duct propagation

D. Spacewave

A. parabolic antenna

B. horn-antenna

C. log-periodic antenna

D. helical antenna

A. 5 Km

B. 5 m

C. 50 Km

D. 15 m