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Economics of Power Generation

Economics of Power Generation
By the use of which of the following power factor can be improved?

Phase advancers
Any of the listed here
Synchronous compensators
Static capacitors

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Economics of Power Generation
Annual depreciation cost is calculated by

Both sinking fund and straight line method
Straight line method
Sinking fund method
None of the listed here

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Economics of Power Generation
Most of the loads are

Resistive
Capacitive
Inductive
None of the listed

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

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Economics of Power Generation
When the load factor of a power station increases, the units generated

None of the listed here
Remains same
Are increased
Are decreased

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Economics of Power Generation
A synchronous condenser improve p. f. by taking

Lagging kVAR
Leading kVAR
None of the listed here
Both leading and lagging kVAR

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