Governor MCQ

51. What is the value of the sensitivity of the isochronous governor?

1. 0
2. 1
3. 2
4. Infinity

52. The speed of an engine is seen to fluctuate continuously above and below mean speed. The governor is said to be

1. isochronous
2. hunting
3. oversensitive
4. unstable

53. Which type of Governor is commonly employed in gramophones for adjusting the speed of turn table?

1. Pickering governor
2. Hartnell governor
3. Watt governor
4. Inertia governor

54. For a governor running at constant speed, the force acting on the sleeve is

1. minimum
2. constant
3. maximum
4. zero

55. Watts governor can work satisfactorily at speed from

1. 60 to 80 r.p.m.
2. 80 to 100 r.p.m.
3. 100 to 200 r.p.m.
4. 200 to 300 r.p.m.

56. Which of the following governor cannot be isochronous?

1. Hartnell
2. Watt
3. Porter
4. Proel

57. The spring controlled governor is

1. Hartnell
2. Hartung
3. Pickering
4. All the above

58. The height ‘h’ and angular speed ‘ω’ for the Watt governor and Porter governor are related by the identity

1. h ∝ ω
2. h ∝ 1/ω
3. h ∝ ω²
4. h ∝ 1/ω²

59. The function of a ________ is to maintain the speed of an internal combustion engine within specified limits for varying load conditions.

1. gyroscope
2. gear
3. belt
4. governor

60. Consider the following statements:

1. In stationary constant speed engines, the spring-loaded governor mechanism is fitted on the cam-shaft of the engine.
2. Hunting occurs when the governor is not sensitive.
3. Isochronous governors have the same speed over a wide range of governor action.
4. A governor is said to be unstable if the radius of rotation falls as the speed increases.

Which of the above statements are correct?

1. i, ii, iii and iv
2. i, ii and iv only
3. i, iii and iv only
4. ii and iii only