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Economics of Power Generation

Economics of Power Generation
When the power factor is increased

Line current increases
Line current decreases
Active power decreases
Active power increases

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Economics of Power Generation
For a large installation, it is better to apply

Bulk correction to large motors
Individual correction to small motors
Individual correction to large motors
None of the listed here

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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
Scrap value
Initial value of equipment
The rate of interest

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Economics of Power Generation
Static capacitors are rated in terms of

kVAR
kWh
kW
None of the listed here

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Economics of Power Generation
With reference to a power station which of the following is not a fixed cost?

Fuel cost
Interest on capital
Depreciation
Insurance charges

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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

15kVAR
10 kVAR
5 kVAR
20 kVAR

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