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Economics of Power Generation

Economics of Power Generation
The area under load curve gives

Maximum demand
Average demand
Energy consumed
None of the listed here

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

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Economics of Power Generation
An over excites synchronous motor on no load is called

Induction motor
Synchronous condenser
Universal motor
Alternator

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Economics of Power Generation
The connected load of a IVMIM uir consumer is around

40 kV
120 kW
80 kW
5 kW

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

Induction morors
All correct
Resistive load
Synchronous motors

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Economics of Power Generation
A synchronous condenser improve p. f. by taking

Lagging kVAR
Both leading and lagging kVAR
None of the listed here
Leading kVAR

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