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Economics of Power Generation

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

Increase
Remains same
None of the listed here
Decrease

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

Increase
Decreases
None of the listed here
Remains same

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Economics of Power Generation
If C is the capacitance per phase for delta connected capacitor bank, then capacitance per phase for star connected the capacitor bank is

C/3
√3C
3C
C/√3

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

Interest on capital
Insurance charges
Fuel cost
Depreciation

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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
Spinning reserve
Cold reserve
Firm power

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

60 years
100 years
30 years
15 years

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