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Economics of Power Generation

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

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

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Economics of Power Generation
An ideal value of power factor is

1
0.5
0.8
0.75

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Economics of Power Generation
A load draws a power of 10 kW at a power factor of 0.707 lagging. The lagging kVAR drawn from the supply will be

10 kVAR
5 kVAR
20 kVAR
15kVAR

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

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

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Economics of Power Generation
The best location of p. f. Correction equipment to be installed on the transmission line is at the

None of the listed here
Middle end
Sending end
Receiving end

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

hot reserve
spinning reserve
cold reserve
firm power

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