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Economics of Power Generation

Economics of Power Generation
By the use of which of the following power factor can be improved?

Phase advancers
Any of the listed here
Synchronous compensators
Static capacitors

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Economics of Power Generation
The connected load of a domestic consumer is around

40 kW
5 kW
80 kW
120 kW

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

Decrease
Increase
None of the listed here
Remains same

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

None of the listed here
Remains same
Increase
Decreases

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Economics of Power Generation
When the power factor is unity, the relation between line currnet I and supply voltage V is

None of the listed here
I lags V by 90°
I leads V by 90°
I is in phase with V

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Economics of Power Generation
Generating capacity connected to the bus bars and ready to take load when switched on is known as

cold reserve
firm power
spinning reserve
hot reserve

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