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Economics of Power Generation

Economics of Power Generation
An over excited synchronous motor on noload is known as

synchronous condenser
induction motor
generator
alternator

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Economics of Power Generation
Low power factor is usually not due to

Fluorescent tubes
Arc lamps
Induction motors
Incandescent lamp

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

Induction morors
Synchronous motors
Resistive load
All correct

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Economics of Power Generation
For a consumer most economical power factor is generally

0.95 lagging
0.5 leading
0.95 leading
0.5 lagging

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Economics of Power Generation
Which of the following, in a thermal power plant, is not a fixed cost?

Depreciation
Fuel cost
Insurance charges
Interest on capital

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Economics of Power Generation
An ideal value of power factor is

1
0.75
0.8
0.5

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