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Generation of Electrical Energy

Generation of Electrical Energy
In a thermal power station, superheater heats

Feed water
None of these
Steam
Air

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Generation of Electrical Energy
For which of the following power plants highly skilled engineers are required for running the plants?

Hydroelectric plant
Diesel power plant
Nuclear power plant
Solar power plant

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Generation of Electrical Energy
The knowledge of diversity factor helps in determining

Plant capacity
Units generated
Average load
None of these

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Generation of Electrical Energy
Rankine cycle efficiency of a good steam power plant may be in the range of

90 to 95 percent
15 to 20 percent
70 to 80 percent
35 to 45 percent

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Generation of Electrical Energy
The output of a solar cell is of the order of

20 W
5 W
1 W
10 W

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Generation of Electrical Energy
Binary vapor cycles are used to

Increase efficiency of the turbine
Increase the performance of the condenser
Increase the efficiency of the plant
None of these

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