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Economics of Power Generation

Economics of Power Generation
For given active power and voltage, the current drawn is minimum when the value of power factor is

0.8 lag
Unity
0.75 lag
O. 8 lead

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

Are increased
Remains same
Are decreased
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

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

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Economics of Power Generation
Salvage value of the plant is always

Positive
Any of the listed here
Zero
Negative

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Economics of Power Generation
For the same cylinder dimensions and speed, which of the following engine will produce least power?

All of these
Petrol engine
Diesel engine
Supercharged engine

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

60 years
30 years
15 years
100 years

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