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Economics of Power Generation

Economics of Power Generation
For a consumer most economical power factor is generally

0.5 lagging
0.5 leading
0.95 lagging
0.95 leading

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Economics of Power Generation
Generators for peak load plants are usually designed for maximum efficiency at

25 percent overload
50 to 75 % percent full load
Full load
25 to 50 % percent full load

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

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Economics of Power Generation
The power transformer is usually rated in

kVA
kVAR
kWh
kW

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Economics of Power Generation
Low power factor is usually not due to

Fluorescent tubes
Arc lamps
Induction motors
Incandescent lamp

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

Mixer grinder
Electric clock
Ceiling fan
Room heater

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MORE MCQ ON Economics of Power Generation

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