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Economics of Power Generation

Economics of Power Generation
Improving the power factor means making it

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

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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

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

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

Interest on capital
Depreciation
Fuel cost
Insurance charges

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Economics of Power Generation
Generators for peak load plants are usually designed for maximum efficiency at

25 to 50 % percent full load
25 percent overload
Full load
50 to 75 % percent full load

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Economics of Power Generation
power plant cannot have single unit of 100 MW.

Diesel
Steam
Hydroelectric
Any of the above
Nuclear

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

Synchronous motors
Induction morors
All correct
Resistive load

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