Steam Turbines Questions and Answers – Emergency Governors

This set of Steam and Gas Turbines Multiple Choice Questions & Answers (MCQs) focuses on “Emergency Governors”.

1. Only some special steam turbines used for special purposes are provided with emergency governors.
a) True
b) False
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2. When the speed of the shaft is increased by ________ emergency governors starts.
a) 95%
b) 110%
c) 100%
d) 90%
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3. When balancing of turbine is disturbed _______________
a) Emergency governor starts
b) Governor shuts down
c) Emergency governor starts & Governor shuts down
d) None of the mentioned
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4. When lubrication system fails _______
a) Turbine shuts down
b) Emergency governor starts
c) Turbine shuts down & Emergency governor starts
d) None of the mentioned
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5. Emergency governor starts working when condenser vacuum is ___________
a) less
b) more
c) medium
d) none of the mentioned
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6. When coolant supply is inadequate to condenser ____________
a) Emergency governor starts
b) Condenser instantly shuts down
c) Emergency governor starts & Condenser instantly shuts down
d) None of the mentioned
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7. Emergency governor starts when _____________
a) Lubrication system fails
b) Turbine balance is disturbed
c) Speed is increased to 110%
d) All of the mentioned
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8. How many governors are required for safe operation of the turbine?
a) 2
b) 1
c) 3
d) 4
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9. Speed regulation varies from ____________
a) 2.5%-5%
b) 3%-5%
c) 1%-5%
d) 1%-2%
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10. Overspeed test for turbine can be done by ____ methods.
a) 1
b) 2
c) 3
d) 4
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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.