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Economics of Power Generation

Economics of Power Generation
The correct relation in the following is :

Not listed here
kVAR = kW tan Ф
kVAR = kW Sin Ф
kVAR = kW cos Ф

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Economics of Power Generation
For a power plant which of the following constitutes running cost?

Cost of lubricants
Cost of wages
All of the listed here
Cost of fuel

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

60 years
30 years
15 years
100 years

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Economics of Power Generation
For a consumer most economical power factor is generally

0.5 lagging
0.5 leading
0.95 leading
0.95 lagging

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Economics of Power Generation
________ is invariably used for peak load

Pumped storage plant
Steam turbine plant
None of these
Nuclear power plant

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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.

Spinning reserve
Cold reserve
Firm power
Hot reserve

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