IC Engine Questions and Answers – Injection Pump Governor

This set of IC Engines Multiple Choice Questions & Answers (MCQs) focuses on “Injection Pump Governor”.

1. Fuel delivered by a pump increases with __________
a) pressure
b) speed
c) pressure & speed
d) none of the mentioned
View Answer

Answer: b
Explanation: Rate of fuel injection is directly proportional to engine speed, so fuel delivered by a pump increases with speed.

2. Quantity of fuel delivered increases with load causing excessive ________________
a) carbon deposits
b) high exhaust temperature
c) carbon deposits & high exhaust temperature
d) none of the mentioned
View Answer

Answer: c
Explanation: Quantity of fuel delivered increases with load causing excessive carbon deposits and high exhaust temperature.

3. When the engine speed tends to exceed the limit the _____________ fly apart.
a) weight
b) volume
c) weight & volume
d) none of the mentioned
View Answer

Answer: a
Explanation: When the engine speed tends to exceed the limit the weight fly apart and not volume.
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4. Lesser fuel causes the engine speed to ___________
a) remain constant
b) increase
c) decrease
d) none of the mentioned
View Answer

Answer: c
Explanation: Fuel volume is directly proportional to speed, so lesser fuel causes the engine speed to decrease.

5. The purpose of a _____________ is to provide automatic control of the idling and maximum speeds to the engine.
a) governor
b) nozzle
c) throttle
d) none of the mentioned
View Answer

Answer: a
Explanation: The purpose of a governor is to provide automatic control of the idling and maximum speeds to the engine and not of throttle or nozzle.

6. The driver’s foot accelerator controls the intermediate _____________ of the engine.
a) pressure
b) speed
c) pressure & speed
d) none of the mentioned
View Answer

Answer: b
Explanation: Generally, the driver’s foot accelerator controls the intermediate speed of the engine.

7. In a _____________ governor, the camshaft of the pump is fitted to two ball weights.
a) mechanical
b) pneumatic
c) mechanical & pneumatic
d) none of the mentioned
View Answer

Answer: a
Explanation: None.
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8. The _____________ governor functions due to the vacuum created by suction in the air inlet pipe of the engine.
a) mechanical
b) pneumatic
c) mechanical & pneumatic
d) none of the mentioned
View Answer

Answer: b
Explanation: The pneumatic governor functions due to the vacuum created by suction in the air inlet pipe of the engine while in a mechanical governor, the camshaft of the pump is fitted to two ball weights.

9. In the _____________ governor, the induction part throttle is operated by the foot pedal accelerator.
a) mechanical
b) pneumatic
c) mechanical & pneumatic
d) none of the mentioned
View Answer

Answer: b
Explanation: In the pneumatic governor, the induction part throttle is operated by the foot pedal accelerator while in a mechanical governor, the camshaft of the pump is fitted to two ball weights.
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10. If the engine is at rest and the lever controlling the engine speed is released, the spring will force the control to reach its ______________ position.
a) maximum
b) minimum
c) center
d) none of the mentioned
View Answer

Answer: a
Explanation: None.

11. When the mechanical governor is running on ‘no load’ position ___________
a) the ball weights fly
b) the ball weight do not fly
c) the speed increases
d) none of the mentioned
View Answer

Answer: b
Explanation: Generally, when the mechanical governor is running on ‘no load’ position, the ball weight do not fly.

Sanfoundry Global Education & Learning Series – IC Engine.

To practice all areas of IC Engine, here is complete set of 1000+ Multiple Choice Questions and Answers.

If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]

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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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