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Economics of Power Generation

Economics of Power Generation
For a diesel generating station the useful life is expected to be around

50 to 75 years
15 to 20 years
20 to 50 years
75 to 100 years

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Economics of Power Generation
When the power factor is unity, the relation between line currnet I and supply voltage V is

I lags V by 90°
None of the listed here
I leads V by 90°
I is in phase with V

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Economics of Power Generation
For any type of consumer the ideal tariif is

Three part tariff
Two part tariff
Block rate tariff
Any of the listed here

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Economics of Power Generation
Large capacity generators are invariably

Forced air cooled
Water cooled
Hydrogen cooled
Natural air cooled

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

induction motor
synchronous condenser
alternator
generator

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Economics of Power Generation
The annual deposit is _____ in sinking fund method as compared to straight line method.

None of the listed here
Greater
The same
Smaller

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