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Economics of Power Generation

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

Remains same
None of the listed here
Decreases
Increases

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Economics of Power Generation
The power transformer is usually rated in

kW
kVA
kVAR
kWh

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Economics of Power Generation
In two part tariff, variation in load factor will affect

Both running and fixed charges
Fixed charges
Running charges
None of the listed here

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Economics of Power Generation
The correct relation in the following is :

kVAR = kW cos Ф
kVAR = kW tan Ф
kVAR = kW Sin Ф
Not listed here

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

0.6 lagging
0.95 lagging
1
0.75 lagging

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

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

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