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Economics of Power Generation
Which of the following devices may be used to provide protection against lightening over voltages ?
Surge absorbers
Rod gaps
Horn gaps
All of these
Surge absorbers
Rod gaps
Horn gaps
All of these
Answer
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Related Question
Economics of Power Generation
When the power factor improved, the kW capacity of alternator is
Increased
Unaffected
None of the listed here
Decreased
Increased
Unaffected
None of the listed here
Decreased
Answer
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Economics of Power Generation
A 130 MW generator is usually ____ cooled.
Oxygen
Nitrogen
Air
Hydrogen
Oxygen
Nitrogen
Air
Hydrogen
Answer
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Economics of Power Generation
The connected load of a domestic consumer is around
120 kW
40 kW
80 kW
5 kW
120 kW
40 kW
80 kW
5 kW
Answer
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Economics of Power Generation
When the power factor is unity, the relation between line currnet I and supply voltage V is
None of the listed here
I is in phase with V
I lags V by 90°
I leads V by 90°
None of the listed here
I is in phase with V
I lags V by 90°
I leads V by 90°
Answer
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Economics of Power Generation
For any type of consumer the ideal tariif is
Any of the listed here
Block rate tariff
Two part tariff
Three part tariff
Any of the listed here
Block rate tariff
Two part tariff
Three part tariff
Answer
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