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Economics of Power Generation

Economics of Power Generation
When power factor is improved, the lagging kVAR drawn from the supply will

None of the listed here
Increase
Decrease
Remains same

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Economics of Power Generation
The area under load curve gives

Maximum demand
Average demand
Energy consumed
None of the listed here

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Economics of Power Generation
Power plant is expected to have the longest life.

Any of the above
Hydroelectric
Diesel
Steam

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Economics of Power Generation
An over excites synchronous motor on no load is called

Universal motor
Induction motor
Synchronous condenser
Alternator

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Economics of Power Generation
Load factor for heavy industries may be taken as

50 to 70%
10 to 20 %
25 to 40%
70 to 80%

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Economics of Power Generation
A load takes a current of I at a p. f. Of cos Ф. The wattless component of current is

I sin Ф
I tan Ф
I cos Ф
None of the listed here

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