Steam Turbines Questions and Answers – Hydraulic Speed responsive governor

This set of Steam and Gas Turbines Multiple Choice Questions & Answers (MCQs) focuses on “Hydraulic Speed Responsive Governor”.

1. _____________ is the standard hydraulic governor used in prime movers.
a) Dash type isochronous governor
b) Drop governor
c) Dash type isochronous & Drop governor
d) None of the mentioned
View Answer

Answer: a
Explanation: Dash type isochronous governor is the standard hydraulic governor used in prime movers.

2. Dash type isochronous governor gives _________________ control.
a) Proportional
b) Integrational
c) Proportional & Integrational
d) None of the mentioned
View Answer

Answer: c
Explanation: Dash type isochronous governor gives both proportional and integral control.

3. Hydraulic governors have ________ adjustability to control.
a) rich
b) poor
c) medium
d) none of the mentioned
View Answer

Answer: b
Explanation: Hydraulic governors have poor adjustability to control and that is a major disadvantage.
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4. In hydraulic governors load control is given by servo motors.
a) True
b) False
View Answer

Answer: b
Explanation: In some hydraulic governors load control is given by servo motors but not in all the hydraulic governors.

5. Mechanical governors have __________ moving parts than hydraulic governors.
a) less
b) more
c) equal
d) none of the mentioned
View Answer

Answer: a
Explanation: Hydraulic governors have more moving parts than mechanical governors.

6. Hydraulic governors are ________ sensitive when compared to mechanical governors.
a) less
b) more
c) equal
d) none of the mentioned
View Answer

Answer: b
Explanation: Hydraulic governors are more sensitive than mechanical governors.

7. In hydraulic governors power that moves engine throttle comes from the speeding device.
a) True
b) False
View Answer

Answer: b
Explanation: In hydraulic governor power that moves the engine throttle comes from the piston.
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8. In hydraulic governors speed measuring device is connected to ________
a) Piston
b) Power shaft
c) Pilot valve
d) None of the mentioned
View Answer

Answer: c
Explanation: The speed measuring device is connected to a pilot valve in hydraulic governors.

9. _____________ is connected to servomotor in hydraulic governor.
a) Pilot valve
b) Pressure valve
c) Pilot & Pressure valve
d) None of the mentioned
View Answer

Answer: a
Explanation: Pilot valve has bush that moves up and down having ports that control servomotor.
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10. For sliding of pilot valve it requires ______ force and it is generated from piston.
a) large
b) small
c) medium
d) none of the mentioned
View Answer

Answer: b
Explanation: Small amount of force is required to slide the pilot valve.

Sanfoundry Global Education & Learning Series – Steam and Gas Turbines.

To practice all areas of Steam and Gas Turbines, 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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