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Economics of Power Generation

Economics of Power Generation
When the load factor of a power station increases, the units generated

Are decreased
None of the listed here
Remains same
Are increased

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

synchronous condenser
generator
alternator
induction motor

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Economics of Power Generation
The area under load curve gives

Energy consumed
None of the listed here
Average demand
Maximum demand

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Economics of Power Generation
For a consumer most economical power factor is generally

0.5 lagging
0.95 lagging
0.95 leading
0.5 leading

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

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

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

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

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