Governor MCQ

81. For a Hartnell governor, the loads on the spring at the lowest and highest equilibrium speeds are 1150 N and 85 N, respectively. If the lift of the governor is 1.5 cm, then spring stiffness would be

1. 710 N/cm
2. 700 N/cm
3. 690 N/cm
4. 725 N/cm

82. What is the function of a governor in engine?

1. To maintain constant speed of engine
2. To maintain constant piston speed of engine
3. To control the engine speed
4. To maintain the speed of an engine within prescribed limits of varying load conditions

83. Proell Governor as compared to porter governor

1. is more sensitive
2. is less sensitive
3. requires weights of smaller size
4. is more sensitive and requires weights of smaller size

84. If a more stiff spring is used in Hartnell governor, then the governor will be

1. more sensitive
2. less sensitive
3. sensitively remains unaffected
4. isochronous

85. The minimum speed (rpm) of engine at full load condition and maximum speed (rpm) of engine at no load condition is given by 245 and 255 respectively. The sensitiveness of governor will be

1. 1%
2. 2%
3. 4%
4. 3%

86. In a hartnell governor, if a spring of greater stiffness is used, then the governor will be

1. more sensitive
2. less sensitive
3. isochronous
4. none of above

87. When the sleeve of a porter governor moves upward, the governor speed

1. decreases
2. increases
3. remain constant
4. first increases then decreases

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

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

89. Which of the following is the dead weight governor?

1. Porter Governor
2. Watt Governor
3. Hartung Governor
4. Hartnell Governor

90. In gramophones for adjusting the speed of the turntable, the following type of governor is commonly employed

1. Hartung governor
2. Wilson Hartnell governor
3. Pickering governor
4. Inertia governor