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

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Economics of Power Generation
Load factor for heavy industries may be taken as

50 to 70%
70 to 80%
25 to 40%
10 to 20 %

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Economics of Power Generation
The annual deposit is _____ in sinking fund method as compared to straight line method.

The same
Greater
Smaller
None of the listed here

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Economics of Power Generation
For a consumer most economical power factor is generally

0.5 lagging
0.95 leading
0.5 leading
0.95 lagging

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Economics of Power Generation
For a power plant which of the following constitutes running cost?

Cost of wages
All of the listed here
Cost of lubricants
Cost of fuel

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Economics of Power Generation
In India production and distribution of electrical energy is confined to

private sector
joint sector
None of these
government sectors
public sector

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