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Economics of Power Generation

Economics of Power Generation
______ public sector undertaking is associated with erection and sometimes running of thermal power plants.

BHEL
SAIL
BEL
NTPC

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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
2 W
1.57 W
0.8 W

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Economics of Power Generation
The depreciation charges in diminishing value method are

Heavy in later years
Same in all years
Light in early years
Heavy in early years

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Economics of Power Generation
Depreciation charge are high in case of

Diesel plant
Hydroelectric plant
Diesel plant
Thermal plant

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

None of the listed here
Unaffected
Increased
Decreased

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

Decrease
Remains same
None of the listed here
Increase

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