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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
None of the listed here
I sin Ф
I tan Ф

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Economics of Power Generation
Major share of power produced in india is through

Diesel power station
Nuclear power plant
Thermal power plant
Hydroelectric plant

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

Synchronous motors
All correct
Resistive load
Induction morors

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Economics of Power Generation
Load curve helps in deciding

sizes of the generating units
all of the listed here
total installed capacity of the plant
operating schedule of generating units

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Economics of Power Generation
power plant cannot have single unit of 100 MW.

Nuclear
Any of the above
Steam
Hydroelectric
Diesel

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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
1
None of the listed here
0.75

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