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Economics of Power Generation

Economics of Power Generation
Approximate estimation of power demand can be made by

Mathematical method
Load survey method
All of the listed here
Statistical methods

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Economics of Power Generation
Improving the power factor means making it

Zero
None of the listed here
Close to unity
Less than 0.5

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

Insurance charges
Fuel cost
Interest on capital
Depreciation

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Economics of Power Generation
The only motor that can be worked at leading power factor is

Synchronous motor
1- phase induction motor
None of the listed here
3-phase induction motor

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Economics of Power Generation
The connected load of a domestic consumer is around

80 kW
5 kW
40 kW
120 kW

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

All correct
Synchronous motors
Resistive load
Induction morors

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