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Economics of Power Generation

Economics of Power Generation
Load shedding is done to

Improve power factor
Repair the machine
Reduce peak demand
Run the equipment efficiency

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

0.5 leading
0.5 lagging
0.95 leading
0.95 lagging

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Economics of Power Generation
The only motor that can be worked at leading power factor is

1- phase induction motor
3-phase induction motor
Synchronous motor
None of the listed here

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Economics of Power Generation
The smaller the lagging reactive power drawn by the circuit

The higher is the active power
The smaller is the p. f
None of the listed here
The higher is the p. f.

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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
All of these
Diesel engine
Supercharged engine

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Economics of Power Generation
Large capacity generators are invariably

Hydrogen cooled
Natural air cooled
Water cooled
Forced air cooled

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