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Economics of Power Generation

Economics of Power Generation
When the load factor of a power station increases, the units generated

Are increased
Remains same
None of the listed here
Are decreased

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Economics of Power Generation
When the power factor of generating station is improved, the cost per unit

None of the listed here
Remains same
Decreases
Increases

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Economics of Power Generation
Maximum demand tariff is generally not applied to domestic consumers because

They consume less power
Their maximum demand is low
Their load factor is low
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°
None of the listed here
I is in phase with V
I leads V by 90°

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

Synchronous condenser
Alternator
Universal motor
Induction motor

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

Synchronous motors
Resistive load
All correct
Induction morors

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