Radar Engineering and Satellite Communication MCQs

Question 1

The waiting time for telephonic conversation via communication satellite is of the order of

Accepted Answer

540 ms

Answer

960ms

Answer

680 ms

Answer

330 ms

Question 2

A satellite earth station has

Accepted Answer

both transmitting as well as receiving equipment

Answer

only transmitting equipment

Answer

A satellite earth station has

Answer

none of the above

Question 3

A satellite used for international communication is known as

Accepted Answer

Intelsat

Answer

Comsat

Answer

Domsat

Answer

None of the above

Question 4

In satellite transmission, analog signals may be converted into digitalform using

Accepted Answer

codec

Answer

modem

Answer

transponder

Answer

compander

Question 5

The source of energy for a satellite is

Accepted Answer

solar cell

Answer

battery

Answer

magneto hydrodynaic generator

Answer

fuel cell

Question 6

Epigee and perige are the considerations when a satellite is in

Accepted Answer

elliptical orbit

Answer

lower orbit

Answer

geostationary orbit

Answer

circular orbit

Question 7

An active satellite carries

Accepted Answer

all of the above

Answer

antenna system

Answer

transmitter

Answer

receiver

Question 8

A passive satellite

Accepted Answer

reflects the signal

Answer

amplifies the signal

Answer

absorbs the signal

Answer

none of the above

Question 9

Passive reflectors are provided on

Accepted Answer

passive Satellites only

Answer

active satellites only

Answer

both (a) and (b) above

Answer

none of the above