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Economics of Power Generation

Economics of Power Generation
________ will be least affected due to charge in supply voltage frequency.

Mixer grinder
Room heater
Electric clock
Ceiling fan

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

Universal motor
Synchronous condenser
Induction motor
Alternator

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

Steam
Diesel
Hydroelectric
Nuclear
Any of the above

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Economics of Power Generation
Improving the power factor means making it

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

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Economics of Power Generation
Approximate estimation of power demand can be made by

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

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Economics of Power Generation
In a 3 phase system, the line losses are W at a p. f. Of 1 . If the power factor becomes 0.8 lagging, the losses will becomes

1.25 W
0.8 W
2 W
1.57 W

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