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MCQs

Total Questions : 70 | Page 5 of 7 pages
Question 41. Pulse encoding is important in digital telemetry.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 42. Which of the following is favoured less?
  1.    Cable telemetry
  2.    Wireless telemetry
  3.    Both cable and wireless telemetry
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Cable telemetry
Answer: (a).Cable telemetry
Question 43. Power transmission in telephone lines are ___________________
  1.    Open loop telemetry
  2.    Closed loop telemetry
  3.    May be open loop or closed loop
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Open loop telemetry
Answer: (a).Open loop telemetry
Question 44. Attenuation and phase shift in receiver end is important due to ________________
  1.    Length of cable used
  2.    Impedance of cable
  3.    Mode of data transfer
  4.    All of the mentioned
 Discuss Question
Answer: Option B. -> Impedance of cable
Answer: (b).Impedance of cable
Question 45. Low level signals can be transmitted using cables up to _________________
  1.    500 m
  2.    2 Km
  3.    10 Km
  4.    50 Km
 Discuss Question
Answer: Option B. -> 2 Km
Answer: (b).2 Km
Question 46. Radio telemetry is useful when source and receiver is at ________________
  1.    Long distance separation
  2.    Short distance separation
  3.    Varying separation distance
  4.    All of the mentioned
 Discuss Question
Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned
Question 47. PLCC stands for _________________
  1.    Power Load Carrier Current
  2.    Power Line Carrier Current
  3.    Peak Line Carrier Current
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Power Line Carrier Current
Answer: (b).Power Line Carrier Current
Question 48. For space telemetry, carrier frequency should be _______________
  1.    Very high value
  2.    Very low value
  3.    Frequency appropriate to distance
  4.    Any value greater than 100 Hz
 Discuss Question
Answer: Option A. -> Very high value
Answer: (a).Very high value
Question 49. Multiplexing is not possible in radio telemetry.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 50. Carrier frequency in radio telemetry will be _________________
  1.    Very low value
  2.    Very high value
  3.    Any value greater than 100 Hz
  4.    Frequency appropriate to conductor size
 Discuss Question
Answer: Option D. -> Frequency appropriate to conductor size
Answer: (d).Frequency appropriate to conductor size

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