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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
Star or delta
Delta
None of the listed here

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Economics of Power Generation
The area under a load curve gives

average demand
None of these
maximum demand
energy consumed

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Economics of Power Generation
The correct relation in the following is :

kVAR = kW tan Ф
kVAR = kW cos Ф
Not listed here
kVAR = kW Sin Ф

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Economics of Power Generation
In a power plant if the maximum demand on the plant is equal to the plant capacity, then

Diversity factor will be unity
Load factor will be unity
Plant reserve capacity will be zero
Load factor will be nearly 60%

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Economics of Power Generation
A consumer has to pay lesser fixed charge in

Any of the listed here
Maximum demand tarriff
Flat rate tariff
Two part tariff

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Economics of Power Generation
The main reason for low power factor of supply statem is due to the use of

All correct
Synchronous motors
Resistive load
Induction morors

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