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Economics of Power Generation

Economics of Power Generation
A synchronous condenser improve p. f. by taking

Leading kVAR
None of the listed here
Lagging kVAR
Both leading and lagging kVAR

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Economics of Power Generation
Is the reserved generating capacity available for service under emergency conditions which is not kept in operation but in working order,

Cold reserve
Spinning reserve
Firm power
Hot reserve

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

Hydrogen
Oxygen
Air
Nitrogen

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Economics of Power Generation
In a power plant if the maximum demand on the plant is equal to the plant capacity, then

Plant reserve capacity will be zero
Diversity factor will be unity
Load factor will be nearly 60%
Load factor will be unity

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Economics of Power Generation
An over excited synchronous motor on noload is known as

synchronous condenser
induction motor
alternator
generator

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Economics of Power Generation
Which of the following is not a method for estimating depreciation charges?

Halsey
Diminishing value method
Sinking fund method
Straight line method

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