Steam Turbines Questions and Answers – Speed Regulation and Parallel Operation

This set of Steam and Gas Turbines Multiple Choice Questions & Answers (MCQs) focuses on “Speed Regulation and Parallel Operation”.

1. ___________ variations can also be used in speed regulation of gas turbines.
a) Pressure
b) Fuel flow
c) Temperature
d) None of the mentioned
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2. Nozzle area variations are used in speed regulations in gas turbines.
a) True
b) False
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3. If the electrical load is greater than the speed then _________
a) Turbine shuts down
b) Speed decreases
c) Speed increases
d) None of the mentioned
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4. When gas turbines are operated in parallel their disturbances ________
a) Increases
b) Decreases
c) Does not change
d) None of the mentioned
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5. In parallel operation speed governor is connected to ______________
a) digital set point
b) fuel system
c) actual speed
d) none of the mentioned
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6. Microprocessor based synchronizer operates on set point.
a) True
b) False
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7. Synchronizing relay has a time period of ___________
a) 5 minutes
b) 3 minutes
c) 6 minutes
d) 8 minutes
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8. Microprocessor based synchronizer has a time period of _______
a) 4.5 minutes
b) 5 minutes
c) 8 minutes
d) 6 minutes
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9. Inputs given to speed governor are __________
a) Digital set point
b) Actual speed
c) Digital set point & Actual speed
d) None of the mentioned
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10. PID controller is used to make the offset ________
a) Zero
b) Positive
c) Negative
d) None of the mentioned
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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.