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Economics of Power Generation

Economics of Power Generation
The expected useful life of an hydroelectric power station is around

100 years
30 years
60 years
15 years

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Economics of Power Generation
In Hopknison demand rate or two parttariff the demand rate or fixed charges are

dependent upon the energy consumed
both (A) and (B)
dependent upon the maximum demand of the consumer
neither (A) nor (B)

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Economics of Power Generation
When the power factor is increased

Active power increases
Line current increases
Line current decreases
Active power decreases

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Economics of Power Generation
Load factor of a power station is generally

less than unity
more than unity
equal to zero Diversity factor is always
equal to unity

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Economics of Power Generation
In two part tariff, variation in load factor will affect

None of the listed here
Fixed charges
Running charges
Both running and fixed charges

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

Nitrogen
Oxygen
Air
Hydrogen

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