Governor MCQ

41. A watt governor is working at a height of 2m. Calculate the speed (in rpm) of the governor?

  1. 21.14
  2. 23.14
  3. 25.14
  4. 26
Answer
Answer. a

42. Which one of the following governors cannot be isochronous?

  1. Hartnell
  2. Hartung
  3. Porter
  4. Wilson Hartnell
Answer
Answer. c

43. Which of the following governors is also known as dead weight type governor?

  1. Porter governor
  2. Watt governor
  3. Hartnell governor
  4. Pickering governor
Answer
Answer. a

44. Isochronism in a governor is desirable when

  1. the engine operates at low speeds.
  2. the engine operates at high speeds.
  3. only one speed is desired to be kept at all loads.
  4. the engine operates at variable speeds.
Answer
Answer. c

45. A governor is said to be isochronous, when its equilibrium speed __________ at rotation at all radii of ball.

  1. is constant
  2. is not constant
  3. varies uniformly
  4. varies non-uniformly
Answer
Answer. a

46. The height of Watt’s governor is

  1. directly proportional to speed
  2. directly proportional to (speed)2
  3. inversely proportional to speed
  4. inversely proportional to (speed)2
Answer
Answer. d

47. What will be the change in the vertical height (in m) of a watt governor, when the speed is decreased from, 50 rpm to 25 rpm?

  1. 1.79
  2. 1.432
  3. 1.074
  4. 0.358
Answer
Answer. c

48. When the sleeve of a porter governor moves upwards, the governor speed

  1. increases
  2. decreases
  3. remains unaffected
  4. first increases and then decreases
Answer
Answer. a

49. How is sensitivity and stability related to governor?

  1. Directly proportional
  2. Inversely proportional
  3. Not related
  4. Cannot be determined
Answer
Answer. b

50. For a watt governor, what will be the angular speed corresponding to the height of 10 cm, if g = 10 m/sec2?

  1. 7.29 rad/sec
  2. 1 rad/sec
  3. 3.15 rad/sec
  4. 10.0 rad/sec
Answer
Answer. d
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