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Economics of Power Generation

Economics of Power Generation
An over excites synchronous motor on no load is called

Induction motor
Alternator
Universal motor
Synchronous condenser

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Economics of Power Generation
The connected load of a IVMIM uir consumer is around

120 kW
80 kW
5 kW
40 kV

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Economics of Power Generation
During load shedding

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

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Economics of Power Generation
The drawback of diminishing value method for calculating depreciation is that depreciation charges

Are small in early years
Are high in later years
None of the listed here
Are independent of rate of interest

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Economics of Power Generation
Which of the following devices may be used to provide protection against lightening over voltages ?

All of these
Rod gaps
Horn gaps
Surge absorbers

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

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

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