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Economics of Power Generation

Economics of Power Generation
For any type of consumer the ideal tariif is

Block rate tariff
Three part tariff
Two part tariff
Any of the listed here

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Economics of Power Generation
Generators for peak load plants are usually designed for maximum efficiency at

25 percent overload
Full load
50 to 75 % percent full load
25 to 50 % percent full load

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Economics of Power Generation
When the power factor is unity, the relation between line currnet I and supply voltage V is

I is in phase with V
I leads V by 90°
None of the listed here
I lags V by 90°

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Economics of Power Generation
When the power factor is improved, the lagging kVAR drawn from the supply will

None of the listed here
Increase
Remains same
Decreases

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Economics of Power Generation
A load drwas active power(P), apparent power(S) and reactive power (Q) from the line. The power factor of the load is

Q/P
P/S
P/Q
S/P

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Economics of Power Generation
By the use of which of the following power factor can be improved?

Any of the listed here
Synchronous compensators
Phase advancers
Static capacitors

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