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Economics of Power Generation

Economics of Power Generation
The main reason for low power factor of supply statem is due to the use of

Resistive load
Synchronous motors
All correct
Induction morors

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Economics of Power Generation
Load factor for heavy industries may be taken as

10 to 20 %
25 to 40%
70 to 80%
50 to 70%

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Economics of Power Generation
Load factor of a power station is generally

less than unity
more than unity
equal to unity
equal to zero Diversity factor is always

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

None of the listed here
Decrease
Increase
Remains same

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

Nuclear power plant
Thermal power plant
Hydroelectric plant
Diesel power plant

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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 is in phase with V
I lags V by 90°
I leads V by 90°

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