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Economics of Power Generation

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

30 years
100 years
15 years
60 years

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Economics of Power Generation
The lagging reactive power drawn by a load is zero. The power factor of the load is

1
0.75
0.5
None of the listed here

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Economics of Power Generation
An ideal value of power factor is

0.5
1
0.8
0.75

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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 but in working order.

Firm power
Hot reserve
Cold reserve
Spinning reserve

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Economics of Power Generation
For the same cylinder dimensions and speed, which of the following engine will produce least power?

Petrol engine
Supercharged engine
Diesel engine
All of these

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Economics of Power Generation
The load factor of domestic load is usually

30 to 40%
10 to 15%
50 to 60%
60 to 70%

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