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Economics of Power Generation

Economics of Power Generation
The depreciation of equipment is

Same every year
Less in early years
More in early years
None of the listed here

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Economics of Power Generation
In a 3 phase system, the line losses are

Directly proportional to cos Ф
Invesely proportional tocos Ф
Inversely proportional to cos²Ф
None of the listed here

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Economics of Power Generation
If C is the capacitance per phase for delta connected capacitor bank, then capacitance per phase for star connected the capacitor bank is

√3C
3C
C/√3
C/3

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Economics of Power Generation
The load factor of domestic load is usually

50 to 60%
30 to 40%
60 to 70%
10 to 15%

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Economics of Power Generation
With reference to a power station which of the following is not a fixed cost?

Depreciation
Interest on capital
Fuel cost
Insurance charges

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

0.75 lagging
0.6 lagging
0.95 lagging
1

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