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Economics of Power Generation

Economics of Power Generation
For a diesel generating station the useful life is expected to be around

20 to 50 years
15 to 20 years
50 to 75 years
75 to 100 years

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Economics of Power Generation
Load factor of a power station is defined as

average load/maximum demand
maximum demand/average load
(average load x maximum demand)172
average load x maximum demand

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Economics of Power Generation
Most of the loads are

None of the listed
Inductive
Resistive
Capacitive

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Economics of Power Generation
Annual depreciation cost is calculated by

Sinking fund method
None of the listed here
Straight line method
Both sinking fund and straight line method

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Economics of Power Generation
When the load factor of a power station increases, the units generated

Are decreased
Are increased
None of the listed here
Remains same

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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

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

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