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Economics of Power Generation

Economics of Power Generation
In a 3 phase system, the line losses are W at a p. f. Of 1 . If the power factor becomes 0.8 lagging, the losses will becomes

1.25 W
0.8 W
1.57 W
2 W

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Economics of Power Generation
________ will be least affected due to charge in supply voltage frequency.

Room heater
Mixer grinder
Ceiling fan
Electric clock

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Economics of Power Generation
Which of the following, in a thermal power plant, is not a fixed cost?

Fuel cost
Insurance charges
Depreciation
Interest on capital

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

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

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Economics of Power Generation
A 130 MW generator is usually ____ cooled.

Oxygen
Air
Hydrogen
Nitrogen

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Economics of Power Generation
When the plant restors to load shedding it can be conclucted that

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

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