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Economics of Power Generation

Economics of Power Generation
For the same cylinder dimensions and speed, which of the following engine will produce least power?

Supercharged engine
All of these
Diesel engine
Petrol engine

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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
power plant cannot have single unit of 100 MW.

Diesel
Nuclear
Hydroelectric
Any of the above
Steam

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Economics of Power Generation
Is the reserved generating capacity available for service under emergency conditions which is not kept in operation but in working order,

Firm power
Spinning reserve
Cold reserve
Hot reserve

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Economics of Power Generation
When the power factor of generating station is improved, the cost per unit

Remains same
Increases
Decreases
None of the listed here

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Economics of Power Generation
When the power factor is increased

Line current decreases
Active power decreases
Line current increases
Active power increases

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