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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 cos Ф
kVAR = kW Sin Ф

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Economics of Power Generation
The least share of power in provided in india, by which of the following power plants?

Thermal power plant
Hydroelectric plant
Diesel power plant
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.

Hot reserve
Firm power
Spinning reserve
Cold reserve

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Economics of Power Generation
In a 3 phase system, the line losses are

Invesely proportional tocos Ф
Directly proportional to cos Ф
None of the listed here
Inversely proportional to cos²Ф

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Economics of Power Generation
Depreciation charge are high in case of

Diesel plant
Thermal plant
Hydroelectric plant
Diesel plant

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Economics of Power Generation
When power factor is improved, the lagging kVAR drawn from the supply will

Increase
Decrease
None of the listed here
Remains same

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