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Economics of Power Generation

Economics of Power Generation
________ will be least affected due to charge in supply voltage frequency.

Room heater
Electric clock
Mixer grinder
Ceiling fan

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Economics of Power Generation
Alternators and transformers are rated in

kVAR
kW
kVA
None of the listed here

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

Remains same
Increase
None of the listed here
Decrease

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Economics of Power Generation
The power transformer is usually rated in

kW
kVA
kWh
kVAR

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Economics of Power Generation
The only motor that can be worked at leading power factor is

None of the listed here
3-phase induction motor
1- phase induction motor
Synchronous motor

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Economics of Power Generation
With reference to a power station which of the following is not a fixed cost?

Interest on capital
Insurance charges
Depreciation
Fuel cost

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