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Economics of Power Generation

Economics of Power Generation
A 130 MW generator is usually ____ cooled.

Hydrogen
Air
Oxygen
Nitrogen

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Economics of Power Generation
Approximate estimation of power demand can be made by

Mathematical method
Statistical methods
All of the listed here
Load survey method

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Economics of Power Generation
Which of the following, in a thermal power plant, is not a fixed cost?

Depreciation
Insurance charges
Interest on capital
Fuel cost

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Economics of Power Generation
An ideal value of power factor is

0.8
1
0.5
0.75

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Economics of Power Generation
Load factor for heavy industries may be taken as

50 to 70%
70 to 80%
10 to 20 %
25 to 40%

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Economics of Power Generation
The area under a load curve gives

maximum demand
average demand
energy consumed
None of these

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