250+ TOP MCQs on Hydraulic Speed responsive governor and Answers

Steam and Gas Turbines Multiple Choice Questions 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
Answer: a
Clarification: 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
Answer: c
Clarification: 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
Answer: b
Clarification: Hydraulic governors have poor adjustability to control and that is a major disadvantage.

4. In hydraulic governors load control is given by servo motors.
a) True
b) False
Answer: b
Clarification: 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
Answer: a
Clarification: 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
Answer: b
Clarification: 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
Answer: b
Clarification: In hydraulic governor power that moves the engine throttle comes from the piston.

8. In hydraulic governors speed measuring device is connected to ________
a) Piston
b) Power shaft
c) Pilot valve
d) None of the mentioned
Answer: c
Clarification: 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
Answer: a
Clarification: Pilot valve has bush that moves up and down having ports that control servomotor.

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