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Economics of Power Generation

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

0.5 leading
0.95 leading
0.5 lagging
0.95 lagging

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Economics of Power Generation
The fixed cost of energy generated

Depends on units generated
Depends on maximum demand
None of the listed here
Indepemdent of max demand and units generated

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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

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

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

Diesel power plant
Hydroelectric plant
Nuclear power plant
Thermal power plant

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Economics of Power Generation
For a large installation, it is better to apply

None of the listed here
Bulk correction to large motors
Individual correction to large motors
Individual correction to small motors

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Economics of Power Generation
Low power factor is usually not due to

Fluorescent tubes
Arc lamps
Induction motors
Incandescent lamp

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