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Economics of Power Generation

Economics of Power Generation
Generating capacity connected to the busbars and ready to take load when switched on is known as

Hot reserve
Cold reserve
Firm power
Spinning reserve

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

Remains same
Decrease
Increase
None of the listed here

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Economics of Power Generation
Which of the following is the disadvantage due to low power factor ?

Increased transmission losses
All of these
Poor voltage regulation
High cost of equipment for a given load

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

Increase
Decreases
Remains same
None of the listed here

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

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

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

alternator
induction motor
generator
synchronous condenser

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