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MCQs

Total Questions : 120 | Page 4 of 12 pages
Question 31. Torque of PMMC device is proportional to _______________
  1.    Mass
  2.    Change in two masses
  3.    Balancing time
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Change in two masses
Answer: (b).Change in two masses
Question 32. In a pneumatic balance system, developed output will be __________
  1.    Pressure variation
  2.    Current signal
  3.    Potential difference
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Pressure variation
Answer: (a).Pressure variation
Question 33. In a pneumatic balance system, restoring is done by ______________
  1.    PMMC device
  2.    Bellows
  3.    Amplifier
  4.    Demodulator
 Discuss Question
Answer: Option B. -> Bellows
Answer: (b).Bellows
Question 34. PMMC system always tend to make the system distract from null position.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 35. Null detection can be accomplished by ______________
  1.    Photo cell
  2.    Direct measurement
  3.    Pneumatic cell
  4.    All of the mentioned
 Discuss Question
Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned
Question 36. Which of the following materials can be used in high pressure manometer tube?
  1.    Glass
  2.    Stainless steel
  3.    Transparent plastic tube
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Stainless steel
Answer: (b).Stainless steel
Question 37. Band width of servo operated manometers are limited to ___________________
  1.    5 Hz
  2.    5 KHz
  3.    5 MHz
  4.    5 GHz
 Discuss Question
Answer: Option A. -> 5 Hz
Answer: (a).5 Hz
Question 38. Manometers are generally used to measure _______________
  1.    Pressure
  2.    Voltage
  3.    Temperature
  4.    Humidity
 Discuss Question
Answer: Option A. -> Pressure
Answer: (a).Pressure
Question 39. Atmospheric pressure can be expressed in _______________
  1.    N
  2.    N/m
  3.    N/m²
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> N/m²
Answer: (c).N/m²
Question 40. By conversion, 1 bar= _________ N/m².
  1.    104
  2.    105
  3.    106
  4.    107
 Discuss Question
Answer: Option B. -> 105
Answer: (b).105

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