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ECE : Satellite Communication - Quiz(MCQ)
A)
C
B)
X
C)
MF
D)
Ku

Correct Answer : Option (C) :   MF


Explanation : MF is a lower frequency band than Ku, C and X bands and does not lie in the microwave spectrum. Microwaves are used for satellite communication since the lower bands get reflected by the ionosphere.

A)
12Mpbs
B)
32Mpbs
C)
36Mpbs
D)
72Mpbs

Correct Answer : Option (D) :   72Mpbs


Explanation : For binary transmission, the maximum theoretical data rate or channel capacity C for a given bandwidth B is C = 2B = 2(36) =72Mpbs.

A)
ANIK
B)
WESTAR
C)
MOLNIYA
D)
EARLY BIRD (Intelsat-I)

Correct Answer : Option (D) :   EARLY BIRD (Intelsat-I)

A)
wobbling
B)
three-axis stabilization
C)
drift from stationary position
D)
three-dimensional stabilization

Correct Answer : Option (A) :   wobbling

A)
30
B)
100
C)
270
D)
0

Correct Answer : Option (A) :   30

A)
Time Division Multiple Access (TDMA)
B)
Code Division Multiple Access (CDMA)
C)
Frequency Division Multiple Access (FDMA)
D)
All of the above

Correct Answer : Option (D) :   All of the above

8 .
Assuming earth to be a sphere of radius 6400 km and height of a geosynchronous satellite above Earth as 36000 km, the velocity of a geosynchronous satellite is __________ km/hr.
A)
11100
B)
15000
C)
28000
D)
36000

Correct Answer : Option (A) :   11100

A)
500
B)
1000
C)
5000
D)
100000

Correct Answer : Option (D) :   100000

A)
100
B)
50
C)
20
D)
10

Correct Answer : Option (C) :   20