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Economics of Power Generation

Economics of Power Generation
A load takes a current of I at a p. f. Of cos Ф. The wattless component of current is

I cos Ф
I tan Ф
I sin Ф
None of the listed here

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Economics of Power Generation
Approximate estimation of power demand can be made by

Load survey method
All of the listed here
Mathematical method
Statistical methods

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Economics of Power Generation
Depreciation charge are high in case of

Thermal plant
Diesel plant
Hydroelectric plant
Diesel plant

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Economics of Power Generation
The best location of p. f. Correction equipment to be installed on the transmission line is at the

None of the listed here
Sending end
Middle end
Receiving end

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Economics of Power Generation
A load draws a power of 10 kW at a power factor of 0.707 lagging. The lagging kVAR drawn from the supply will be

10 kVAR
20 kVAR
15kVAR
5 kVAR

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Economics of Power Generation
In a 3 phase system, the line losses are

Inversely proportional to cos²Ф
None of the listed here
Invesely proportional tocos Ф
Directly proportional to cos Ф

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