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Economics of Power Generation

Economics of Power Generation
In order to improve the power factor in case of 3 phase loads, the capacitors are connected in

Star
Star or delta
None of the listed here
Delta

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Economics of Power Generation
Which of the following is not necessarily an advantage of interconnecting various power stations?

Economy in operation of plants
Improved frequency of power supplied
Increased reliability
Reduction in total installed capacity

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Economics of Power Generation
The fixed cost of energy generated

Indepemdent of max demand and units generated
Depends on units generated
None of the listed here
Depends on maximum demand

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

Synchronous condenser
Universal motor
Induction motor
Alternator

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Economics of Power Generation
A synchronous condenser improve p. f. by taking

Lagging kVAR
Both leading and lagging kVAR
None of the listed here
Leading kVAR

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Economics of Power Generation
Maximum demand tariff is generally not applied to domestic consumers because

Their load factor is low
They consume less power
None of the listed here
Their maximum demand is low

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