Satellite Communication General Awareness MCQ | Satellite Communication General Knowledge Multiple Choice Questions(MCQs) & Answers

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Questions
1 The earth area covered by a satellite radio beam.
A Beamwidth
B Bandwidth
C Footprint
D Zone

Answer: Footprint
2 Point on the satellite obits closest to the earth.
A Apogee
B Perigee
C Prograde
D Zenith

Answer: Perigee
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3 What height must a satellite be placed above the surface of the earth in order for its rotation to be equal to earth’s rotation?
A 26,426.4 miles
B 27,426.4 miles
C 23,426.4 miles
D 22,426.4 miles

Answer: 22,426.4 miles
4 Is a loss of power of a satellite downlink signal due to earth’s atmosphere.
A Atmospheric loss
B Path loss
C Radiation loss
D RFI

Answer: Path loss
5 _________ detects the satellite signal relayed from the feed and converts it to an electric current, amplifies and lower its frequency.
A Horn antenna
B LNA
C Satellite receiver
D Satellite dish

Answer: Satellite receiver
6 What is a device that detects both vertically and horizontally polarized signals simultaneously?
A Orthomode transducer
B Crystal detector
C Optoisolator
D Isomode detector

Answer: Orthomode transducer
7 Collects very weak signals from a broadcast satellite
A Helical antenna
B Satellite dish
C LNA
D TWT

Answer: Satellite dish
8 A satellite signal transmitted from a satellite transponder to earth’s station.
A Uplink
B Downlink
C Terrestrial
D Earthbound

Answer: Downlink
9 What is the frequency range of C-band?
A 8.5 to 12.5 GHz
B 3.4 to 6.425 GHz
C 12.95 to 14.95 GHz
D 27.5 to 31 GHz

Answer: 3.4 to 6.425 GHz
10 A satellite beam that covers almost 42.4% of the earths surface.
A Zone beam
B Hemispheric beam
C Spot beam
D Global beam

Answer: Global beam
11 The smallest beam of a satellite antenna radiation pattern
A Zone beam
B Hemispheric beam
C Spot beam
D Global beam

Answer: Spot beam
12 Is the geographical representation of a satellite antenna radiation pattern
A Footprint
B Spot
C Earth
D Region

Answer: Footprint
13 ___________ is a satellite that rotates around the earth in a low-altitude elliptical or circular pattern.
A Geosynchronous satellite
B Nonsynchronous satellite
C Prograde satellite
D Retrograde satellite

Answer: Nonsynchronous satellite
14 Considered as the unsolved problem in satellite system
A Coverage
B Cost
C Access
D Privacy

Answer: Privacy
15 Repeaters inside communications satellites are known as
A Trancievers
B Transponders
C Transducers
D TWT

Answer: Transponders
16 A helical antenna is used for satellite tracking because of
A circular polarization
B maneuverability
C beamwidth
D gain

Answer: circular polarization
17 The first satellite to receive and transmit simultaneously
A Intelsat I
B Agila I
C Syncorn I
D Telstar I

Answer: Intelsat I
18 What is the first passive satellite transponder?
A Sun
B Early Bird
C Score
D Moon

Answer: Early Bird
19 Which of the following is the first commercial satellite?
A Early Bird
B Telstar
C Explorer
D Courier

Answer: Telstar
20 Which of the following is the first active satellite?
A Echo I
B Telstar I
C Early Bird
D Sputnik I

Answer: Sputnik I

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