Advanced Communication Quiz Questions and Answers Pdf - 1

Question: 1

In a microwave relay communication the repeater is usually an amplifier for the amplification of

(A) Amplitude modulated IF signal

(B) Frequency modulated IF signal

(C) Baseband signal

(D) Carrier signal

Question: 2

A geostationary satellite located at about 35,000 km from earth can cover

(A) An area depending on antenna used

(B) Complete surface of the earth

(C) One hemisphere in one pass

(D) One side of the earth

Question: 3

What was the first commercial geostationary communication satellite?

(A) SPUTNIK

(B) INSAT – 1 A

(C) ECHO

(D) INTELSAT 1

Question: 4

In radar systems, the term ‘rat-race’ is used in connection with

(A) Duplexer

(B) Modulator

(C) Receiver bandwidth

(D) Pulse characteristics

Question: 5

The linear velocity of a satellite, when in a circular orbit is

(A) Independent of its mass

(B) Directly proportional to the square of its mass

(C) Directly proportional to the square root of its mass

(D) Directly proportional to its mass