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Economics of Power Generation

Economics of Power Generation
An over excited synchronous motor on noload is known as

synchronous condenser
alternator
induction motor
generator

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Economics of Power Generation
For any type of consumer the ideal tariif is

Any of the listed here
Three part tariff
Block rate tariff
Two part tariff

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Economics of Power Generation
A load takes a current of I at a p. f. Of cos Ф. The wattless component of current is

I cos Ф
I tan Ф
None of the listed here
I sin Ф

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Economics of Power Generation
When the power factor improved, the kW capacity of alternator is

Unaffected
Decreased
None of the listed here
Increased

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Economics of Power Generation
The main reason for low power factor of supply statem is due to the use of

Resistive load
Synchronous motors
All correct
Induction morors

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Economics of Power Generation
When the demand of consumer is not met by a power plant, it will resort to which of the following?

Efficient plant operation
Penalising high load consumers by increasing the charges for electricity
Load shedding
Power factor improvement at the generators

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