Thermal Power Plant Objective Questions

Test your technical skills on thermal power plant with our objective questions and answers with an online practice examination.

Thermal Power Plant Objective Questions

The below-mentioned multiple choice questions and answers on solar power.


In steam power plant which of the following component needs more maintenance:

A. Condenser
B. Boiler
C. Turbine
D. Coal carrying system

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Answer: B


The pH value of the water used in boiler is:

A. unity
B. 7
C. slightly less than seven
D. slightly more than seven

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Answer: D


For the flue gas flow, tick the correct sequence:

A. Boiler-Air preheater- economizer- ID fan- Chimney
B. Boiler- ID fan -Air preheater- Economizer- Chimney
C. Boiler- Economizer- Air preheater- ID fan- Chimney
D. None of the above

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Answer: C


Hydrogen cooling employed in large thermal power plant alternator:

A. Increases the insulation life
B. Decreases the insulation life
C. Does not effect the insulation life
D. None of the above

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Answer: A


Hydrogen cooling is employed in:

A. Turbo Generators only
B. Water wheel Generators only
C. Can b used in both turbo generators and water wheel generators
D. none of the above

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Answer: A


The efficiency of the electro static precipitators will be of the order:

A. 99.6%
B. 90%
C. 85%
D. 80%

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Answer: A


Economizer is normally employed when boiler pressure exceeds:

A. 70 kg/cm2
B. 50 kg/cm2
C. 30 kg/cm2
D. can be used for all pressures

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Answer: A


The sizing of the generator in power plant is based on:

A. Current carrying capacity ratings only
B. Insulation strength ratings only
C. Both (A) and (B)
D. None of the above

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Answer: C


With out Electro static precipitators:

A. ID fan rating should be increased
B. Economizer rating should be increased
C. Chimney height should be reduced
D. None of the above

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Answer: A


In thermal power plants the condenser used is of:

A. surface type
B. jet type
C. can be both surface type and jet type
D. none of the above

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Answer: A