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Economics of Power Generation

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

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

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Economics of Power Generation
Arc and induction furnaces operate on

Very low leading p. f.
Very high leading p. f.
Very Low lagging p. f.
None of the listed here

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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
Resistive load
Synchronous motors
Induction morors

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Economics of Power Generation
In a power plant if the maximum demand on the plant is equal to the plant capacity, then

Load factor will be nearly 60%
Load factor will be unity
Plant reserve capacity will be zero
Diversity factor will be unity

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Economics of Power Generation
Annual depreciation of the plant it proportional to the earning capacity of the plant vide

None of these
sinking fund depreciation
straight line depreciation
reducing balances depreciation

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

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

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