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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
15 years
60 years
30 years

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Economics of Power Generation
When the load factor of a power station increases, the units generated

Remains same
None of the listed here
Are decreased
Are increased

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

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

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Economics of Power Generation
An over excites synchronous motor on no load is called

Induction motor
Alternator
Universal motor
Synchronous condenser

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

Fuel cost
Insurance charges
Interest on capital
Depreciation

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Economics of Power Generation
By the use of which of the following power factor can be improved?

Static capacitors
Phase advancers
Synchronous compensators
Any of the listed here

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