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Economics of Power Generation

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

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

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Economics of Power Generation
When the plant restors to load shedding it can be conclucted that

Diversity factor is zero
Daily load factor is unity
Plant is under repairs
Peak demand is more than the installed capacity

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Economics of Power Generation
The only motor that can be worked at leading power factor is

1- phase induction motor
None of the listed here
3-phase induction motor
Synchronous motor

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Economics of Power Generation
Which of the following is an advantage of static capacitor for power factor improvement?

Low losses
Ease in installation
All of the listed here
Little maintenance cost

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Economics of Power Generation
Load shedding is done to

Improve power factor
Run the equipment efficiency
Reduce peak demand
Repair the machine

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Economics of Power Generation
Arc and induction furnaces operate on

Very low leading p. f.
Very Low lagging p. f.
None of the listed here
Very high leading p. f.

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