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Economics of Power Generation

Economics of Power Generation
For given active power and voltage, the current drawn is minimum when the value of power factor is

Unity
0.75 lag
O. 8 lead
0.8 lag

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Economics of Power Generation
The lagging reactive power drawn by a load is zero. The power factor of the load is

0.5
0.75
1
None of the listed here

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Economics of Power Generation
When the power factor improved, the kW capacity of alternator is

Increased
None of the listed here
Decreased
Unaffected

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Economics of Power Generation
Load shedding is done to

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

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

Remains same
Decrease
None of the listed here
Increase

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Economics of Power Generation
In order to improve the power factor in case of 3 phase loads, the capacitors are connected in

None of the listed here
Delta
Star
Star or delta

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