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Economics of Power Generation

Economics of Power Generation
An ideal value of power factor is

0.5
1
0.75
0.8

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Economics of Power Generation
In Hopknison demand rate or two parttariff the demand rate or fixed charges are

dependent upon the energy consumed
dependent upon the maximum demand of the consumer
neither (A) nor (B)
both (A) and (B)

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Economics of Power Generation
A consumer who consumes more electrical energy should pay

Less running charges per unit
None of the listed here
Less fixed charges per unit
More fixed charges per unit

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Economics of Power Generation
When the power factor improved, the kW capacity of alternator is

Unaffected
Increased
None of the listed here
Decreased

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Economics of Power Generation
A load draws a power of 10 kW at a power factor of 0.707 lagging. The lagging kVAR drawn from the supply will be

5 kVAR
20 kVAR
10 kVAR
15kVAR

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

Resistive load
Induction morors
All correct
Synchronous motors

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