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Economics of Power Generation

Economics of Power Generation
Approximate estimation of power demand can be made by

Mathematical method
Load survey method
Statistical methods
All of the listed here

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Economics of Power Generation
A consumer has to pay lesser fixed charges in

maximum demand tariff
flat rate tariff
any of the above
two part tariff

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Economics of Power Generation
During load shedding

System voltage is reduced
System frequency is reduced
System power factor is changed
Some loads are switched off

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Economics of Power Generation
Annual depreciation of the plant it proportional to the earning capacity of the plant vide

reducing balances depreciation
straight line depreciation
sinking fund depreciation
None of these

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Economics of Power Generation
When the power factor is increased

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

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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/S
Q/P
P/Q
S/P

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