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MCQs

Total Questions : 98 | Page 5 of 10 pages
Question 41. Which of the following is the first active satellite?
  1.    Echo I
  2.    Telstar I
  3.    Early Bird
  4.    Sputnik I
 Discuss Question
Answer: Option D. -> Sputnik I
Question 42. What is the first passive satellite transponder?
  1.    Sun
  2.    Early Bird
  3.    Score
  4.    Moon
 Discuss Question
Answer: Option B. -> Early Bird
Question 43. What is the approximate path loss from satellite-to-earth station?
  1.    100 dB
  2.    150 dB
  3.    175 dB
  4.    200 dB
 Discuss Question
Answer: Option D. -> 200 dB
Question 44. 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?
  1.    26,426.4 miles
  2.    27,426.4 miles
  3.    23,426.4 miles
  4.    22,426.4 miles
 Discuss Question
Answer: Option D. -> 22,426.4 miles
Question 45. The first Philippine Agila I will have how many transponders.
  1.    36
  2.    48
  3.    24
  4.    12
 Discuss Question
Answer: Option A. -> 36
Question 46. Earth station uses what type of antenna
  1.    Despun antenna
  2.    Helical antenna
  3.    Toroidal antenna
  4.    Cassegrain antenna
 Discuss Question
Answer: Option D. -> Cassegrain antenna
Question 47. The owner of AsiaSat 2 is
  1.    Asia Satellite Telecommunications Company (ASTC)
  2.    Japan Satellite System (JSAT)
  3.    China Great Wall Industry Corporation
  4.    Singapore Satellite Commision
 Discuss Question
Answer: Option C. -> China Great Wall Industry Corporation
Question 48. A mobile satellite array has usually how many elements?
  1.    6
  2.    88
  3.    12
  4.    14
 Discuss Question
Answer: Option D. -> 14
Question 49. AsiaSat I covers how many countries in Asia?
  1.    38
  2.    10
  3.    28
  4.    15
 Discuss Question
Answer: Option A. -> 38
Question 50. Most mobile satellite array uses ___________ in transforming 50 to 150 Ω impedance.
  1.    Quarter-wavelength transformer
  2.    Balun
  3.    Microstrip tapers
  4.    Stub
 Discuss Question
Answer: Option A. -> Quarter-wavelength transformer

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