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Economics of Power Generation

Economics of Power Generation
A 130 MW generator is usually ____ cooled.

Nitrogen
Air
Hydrogen
Oxygen

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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
Approximate estimation of power demand can be made by

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

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Economics of Power Generation
Improving the power factor means making it

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

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Economics of Power Generation
Which of the following is not necessarily an advantage of interconnecting various power stations?

Economy in operation of plants
Increased reliability
Improved frequency of power supplied
Reduction in total installed capacity

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Economics of Power Generation
In India production and distribution of electrical energy is confined to

public sector
None of these
joint sector
government sectors
private sector

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