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Economics of Power Generation

Economics of Power Generation
The expected useful life of an hydroelectric power station is around

100 years
30 years
60 years
15 years

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Economics of Power Generation
Diversity factor has dirrect effect on the

Fixed cost of unit generated
Running cost of unit generated
Both fixed and running cost of unit generated
None of the listed here

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Economics of Power Generation
When the power factor of generating station is improved, the cost per unit

None of the listed here
Decreases
Remains same
Increases

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Economics of Power Generation
In a 3 phase system, the line losses are

None of the listed here
Invesely proportional tocos Ф
Inversely proportional to cos²Ф
Directly proportional to cos Ф

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Economics of Power Generation
Load factor of a power station is defined as

average load/maximum demand
(average load x maximum demand)172
average load x maximum demand
maximum demand/average load

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

alternator
synchronous condenser
induction motor
generator

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