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Economics of Power Generation

Economics of Power Generation
When the power factor improved, the kW capacity of alternator is

Decreased
None of the listed here
Unaffected
Increased

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Economics of Power Generation
A load draws a power of 10 kW at a power factor of 0.707 lagging. The lagging kVAR drawn from the supply will be

10 kVAR
20 kVAR
15kVAR
5 kVAR

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Economics of Power Generation
power plant cannot have single unit of 100 MW.

Nuclear
Hydroelectric
Any of the above
Steam
Diesel

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

Petrol engine
Supercharged engine
All of these
Diesel engine

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

0.6 lagging
0.95 lagging
0.75 lagging
1

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

0.95 lagging
0.95 leading
0.5 leading
0.5 lagging

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