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Economics of Power Generation

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

Star or delta
None of the listed here
Star
Delta

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Economics of Power Generation
Load factor of a power station is defined as

average load/maximum demand
average load x maximum demand
(average load x maximum demand)172
maximum demand/average load

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Economics of Power Generation
In the diminishing value method for calculating depreciation, the annual depreciation charge is independent of

Scrap value
Useful life of equipment
Initial value of equipment
The rate of interest

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Economics of Power Generation
Diversity factor has dirrect effect on the

Fixed cost of unit generated
None of the listed here
Both fixed and running cost of unit generated
Running cost of unit generated

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Economics of Power Generation
The power transformer is usually rated in

kVAR
kW
kVA
kWh

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Economics of Power Generation
When the power factor is increased

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

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