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Economics of Power Generation

Economics of Power Generation
________ is invariably used for peak load

None of these
Nuclear power plant
Pumped storage plant
Steam turbine 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 leads V by 90°
I lags V by 90°
I is in phase with V

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Economics of Power Generation
In the diminishing value method for calculating depreciation, the annual depreciation charge is independent of

Useful life of equipment
The rate of interest
Initial value of equipment
Scrap value

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

Remains same
Decreases
None of the listed here
Increases

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Economics of Power Generation
Load factor of a power station is defined as

maximum demand/average load
(average load x maximum demand)172
average load x maximum demand
average load/maximum demand

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Economics of Power Generation
Which of the following is not a method for estimating depreciation charges?

Diminishing value method
Straight line method
Halsey
Sinking fund method

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