Satellite Communication - Part 1 Online Exam Quiz
Satellite Communication - Part 1 GK Quiz. Question and Answers related to Satellite Communication - Part 1. MCQ (Multiple Choice Questions with answers about Satellite Communication - Part 1
The first geostationary satellite launched in 1965 was called
Options
A : ANIK
B : EARLY BIRD (Intelsat-I)
C : WESTAR
D : MOLNIYA
Rotation of a geosynchronous satellite means its
Options
A : drift from stationary position
B : wobbling
C : three-axis stabilization
D : three-dimensional stabilization
The present total cost per watt of power generation in geosynchronous orbit is nearly Rs.
Options
A : 20
B : 50
C : 100
D : 5
Noise temperature of Sun is more than __________ °K.
Options
A : 1000
B : 5000
C : 100000
D : 500
A 20 m antenna gives a certain uplink gain at frequencies of 4/6 GHz. For getting same gain in the 20/30 GHz band, antenna size required is metre.
Options
A : 100
B : 4
C : 1
D : 10
The discussing sharing of a communication satellite by many geographically dispersed Earth station, DAMA means
Options
A : Demand-Assigned Multiple Access
B : Decibel Attenuated Microwave Access
C : Digital Analog Master Antenna
D : Dynamically-Assigned Multiple Access
The angle subtended by earth at geostationary communication satellite is
Options
A : 17.34°
B : 51.4°
C : 120°
D : 60°
The INTELSAT-IV satellite launched in 1974 had two earth coverage antenna and two narrower-angle antennas subtending 4.5°. The signal from narrow-angle antenna was stronger than that from earth- coverage antenna by a factor of
Options
A : 17.34/4.5
B : 17.34 x 4.5
C : (17.34/4.5) 2
D : (17.34/4.5) 4
A transponder is a satellite equipment which
Options
A : receives a signal from Earth station and amplifies
B : changes the frequency of the received signal
C : retransmits the received signal
D : does all of the above-mentioned functions
A geosynchronous satellite
Options
A : has the same period a that of the Earth
B : has a circular orbit
C : rotates in the equatorial plane
D : has all of the above
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