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Economics of Power Generation

Economics of Power Generation
When the power factor is increased

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

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Economics of Power Generation
A low utilization factor for a plant indicates that

plant is used for base load only
plant is used for stand by purpose only
plant is under maintenance
plant is used for peak load as well as base load

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

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

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Economics of Power Generation
For the same cylinder dimensions and speed, which of the following engine will produce least power?

Petrol engine
Diesel engine
All of these
Supercharged engine

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Economics of Power Generation
________ is invariably used for peak load

Pumped storage plant
Steam turbine plant
Nuclear power plant
None of these

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

Decreases
Increase
None of the listed here
Remains same

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