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Economics of Power Generation

Economics of Power Generation
The lagging reactive power drawn by a load is zero. The power factor of the load is

None of the listed here
1
0.5
0.75

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Economics of Power Generation
Diversity factor has dirrect effect on the

Running cost of unit generated
Fixed cost of unit generated
Both fixed and running cost of unit generated
None of the listed here

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Economics of Power Generation
A load drwas active power(P), apparent power(S) and reactive power (Q) from the line. The power factor of the load is

P/Q
S/P
P/S
Q/P

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Economics of Power Generation
When the power factor is increased

Line current decreases
Active power decreases
Line current increases
Active power increases

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Economics of Power Generation
Is the reserved generating capacity available for service under emergency conditions which is not kept in operation but in working order,

Firm power
Hot reserve
Cold reserve
Spinning reserve

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

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

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