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Economics of Power Generation

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
The depreciation charges in diminishing value method are

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

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Economics of Power Generation
For a large installation, it is better to apply

Individual correction to large motors
Individual correction to small motors
None of the listed here
Bulk correction to large motors

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Economics of Power Generation
Annual depreciation of the plant it proportional to the earning capacity of the plant vide

None of these
sinking fund depreciation
straight line depreciation
reducing balances depreciation

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

Remains same
None of the listed here
Decrease
Increase

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Economics of Power Generation
An over excites synchronous motor on no load is called

Alternator
Induction motor
Universal motor
Synchronous condenser

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