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Economics of Power Generation

Economics of Power Generation
Power plant is expected to have the longest life.

Steam
Any of the above
Diesel
Hydroelectric

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

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

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Economics of Power Generation
Which of the following is not necessarily an advantage of interconnecting various power stations?

Economy in operation of plants
Reduction in total installed capacity
Improved frequency of power supplied
Increased reliability

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Economics of Power Generation
In two part tariff, variation in load factor will affect

Fixed charges
None of the listed here
Running charges
Both running and fixed charges

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

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Economics of Power Generation
Most of the loads are

None of the listed
Capacitive
Inductive
Resistive

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