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Economics of Power Generation

Economics of Power Generation
When the power factor of generating station is improved, the cost per unit

Remains same
Increases
Decreases
None of the listed here

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Economics of Power Generation
Most of the loads are

Capacitive
Resistive
Inductive
None of the listed

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Economics of Power Generation
In which?of the following power plants the maintenance cost is usually high?

Thermal power plants
Hydro-electric power plants
Diesel engine power plants
Nuclear power plant

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Economics of Power Generation
Salvage value of the plant is always

Positive
Negative
Zero
Any of the listed here

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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

5 kVAR
15kVAR
10 kVAR
20 kVAR

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Economics of Power Generation
Power plant is expected to have the longest life.

Steam
Hydroelectric
Any of the above
Diesel

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