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MCQs

Total Questions : 98 | Page 2 of 10 pages
Question 11. Satellite engine uses
  1.    Jet propulsion
  2.    Ion propulsion system
  3.    Liquid fuel
  4.    Solar jet
 Discuss Question
Answer: Option B. -> Ion propulsion system
Question 12. The earth area covered by a satellite radio beam.
  1.    Beamwidth
  2.    Bandwidth
  3.    Footprint
  4.    Zone
 Discuss Question
Answer: Option C. -> Footprint
Question 13. What kind of battery used by older satellites?
  1.    Lithium
  2.    Leclanche
  3.    Hydrogen
  4.    Magnesium
 Discuss Question
Answer: Option C. -> Hydrogen
Question 14. The location of AsiaSat I.
  1.    105.5˚ East
  2.    151.5˚ East
  3.    115.5˚ East
  4.    170.5˚ East
 Discuss Question
Answer: Option A. -> 105.5˚ East
Question 15. The most common device used as an LNA is
  1.    Zener diode
  2.    Tunnel diode
  3.    IMPATT
  4.    Shockley diode
 Discuss Question
Answer: Option B. -> Tunnel diode
Question 16. The radiation patterns of earth coverage antennas have a beamwidth of approximately
  1.    21˚
  2.    5˚
  3.    17˚
  4.    35˚
 Discuss Question
Answer: Option C. -> 17˚
Question 17. What kind of battery panels are used in some advance satellites
  1.    Germanium based panels
  2.    Silicon based panel
  3.    Galium Phosphate solar panel array
  4.    Galium Arsenide solar panel array
 Discuss Question
Answer: Option D. -> Galium Arsenide solar panel array
Question 18. Repeaters inside communications satellites are known as
  1.    Trancievers
  2.    Transponders
  3.    Transducers
  4.    TWT
 Discuss Question
Answer: Option B. -> Transponders
Question 19. The bandwidth of C-band satellite frequency band in U.S.
  1.    500 GHz
  2.    1000 GHz
  3.    1000 MHz
  4.    500 MHz
 Discuss Question
Answer: Option D. -> 500 MHz
Question 20. A satellite batter has more power but lighter.
  1.    Lithium
  2.    Leclanche
  3.    Hydrogen
  4.    Magnesium
 Discuss Question
Answer: Option A. -> Lithium

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