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MCQs

Total Questions : 98 | Page 6 of 10 pages
Question 51. VSAT was made available in
  1.    1979
  2.    1981
  3.    1983
  4.    1977
 Discuss Question
Answer: Option A. -> 1979
Question 52. A satellite signal transmitted from a satellite transponder to earth’s station.
  1.    Uplink
  2.    Terrestrial
  3.    Downlink
  4.    Earthbound
 Discuss Question
Answer: Option C. -> Downlink
Question 53. What band does VSAT first operate?
  1.    X-band
  2.    L-band
  3.    Ku-band
  4.    C-band
 Discuss Question
Answer: Option D. -> C-band
Question 54. A helical antenna is used for satellite tracking because of
  1.    Beamwidth
  2.    Gain
  3.    Circular polarization
  4.    Maneuverability
 Discuss Question
Answer: Option C. -> Circular polarization
Question 55. The most common device used as an LNA is
  1.    Shockley diode
  2.    IMPATT
  3.    Tunnel diode
  4.    Zener diode
 Discuss Question
Answer: Option C. -> Tunnel diode
Question 56. Satellite engine uses
  1.    Ion propulsion system
  2.    Liquid fuel
  3.    Solar jet
  4.    Jet propulsion
 Discuss Question
Answer: Option A. -> Ion propulsion system
Question 57. What kind of battery used by older satellites?
  1.    Hydrogen
  2.    Lithium
  3.    Magnesium
  4.    Leclanche
 Discuss Question
Answer: Option A. -> Hydrogen
Question 58. The earth area covered by a satellite radio beam.
  1.    Zone
  2.    Beamwidth
  3.    Bandwidth
  4.    Footprint
 Discuss Question
Answer: Option D. -> Footprint
Question 59. The location of AsiaSat I.
  1.    115.5˚ East
  2.    151.5˚ East
  3.    105.5˚ East
  4.    170.5˚ East
 Discuss Question
Answer: Option C. -> 105.5˚ East
Question 60. What kind of battery panels are used in some advance satellites
  1.    Galium Arsenide solar panel array
  2.    Galium Phosphate solar panel array
  3.    Silicon based panel
  4.    Germanium based panels
 Discuss Question
Answer: Option A. -> Galium Arsenide solar panel array

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