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Economics of Power Generation

Economics of Power Generation
______ public sector undertaking is associated with erection and sometimes running of thermal power plants.

BEL
NTPC
SAIL
BHEL

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

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

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Economics of Power Generation
The smaller the lagging reactive power drawn by the circuit

The higher is the active power
None of the listed here
The smaller is the p. f
The higher is the p. f.

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Economics of Power Generation
For a large installation, it is better to apply

Bulk correction to large motors
Individual correction to large motors
None of the listed here
Individual correction to small motors

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Economics of Power Generation
Generating capacity connected to the busbars and ready to take load when switched on is known as

Cold reserve
Firm power
Spinning reserve
Hot reserve

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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 sin Ф
None of the listed here
I tan Ф

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