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Economics of Power Generation

Economics of Power Generation
______ public sector undertaking is associated with erection and sometimes running of thermal power plants.

BHEL
BEL
SAIL
NTPC

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Economics of Power Generation
The area under load curve gives

Average demand
Maximum demand
None of the listed here
Energy consumed

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Economics of Power Generation
The correct relation in the following is :

kVAR = kW tan Ф
kVAR = kW Sin Ф
Not listed here
kVAR = kW cos Ф

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Economics of Power Generation
A 130 MW generator is usually ____ cooled.

Nitrogen
Air
Hydrogen
Oxygen

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Economics of Power Generation
Load shedding is done to

Repair the machine
Improve power factor
Reduce peak demand
Run the equipment efficiency

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Economics of Power Generation
Which of the following is the disadvantage due to low power factor ?

Increased transmission losses
High cost of equipment for a given load
All of these
Poor voltage regulation

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