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Economics of Power Generation

Economics of Power Generation
Approximate estimation of power demand can be made by

Statistical methods
Mathematical method
Load survey method
All of the listed here

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Economics of Power Generation
Arc and induction furnaces operate on

None of the listed here
Very Low lagging p. f.
Very low leading p. f.
Very high leading p. f.

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Economics of Power Generation
A synchronous condenser improve p. f. by taking

Leading kVAR
Lagging kVAR
Both leading and lagging kVAR
None of the listed here

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

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

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

Electric clock
Mixer grinder
Room heater
Ceiling fan

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

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

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