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Economics of Power Generation

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

Remains same
Increase
Decreases
None of the listed here

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Economics of Power Generation
A consumer has to pay lesser fixed charge in

Any of the listed here
Flat rate tariff
Two part tariff
Maximum demand tarriff

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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
reducing balances depreciation
sinking fund depreciation
straight line depreciation

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Economics of Power Generation
When the power factor is increased

Active power increases
Line current increases
Line current decreases
Active power decreases

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Economics of Power Generation
In a power plant if the maximum demand on the plant is equal to the plant capacity, then

Plant reserve capacity will be zero
Load factor will be unity
Diversity factor will be unity
Load factor will be nearly 60%

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Economics of Power Generation
The main reason for low power factor of supply statem is due to the use of

Synchronous motors
Induction morors
All correct
Resistive load

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