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Alternators

Alternators
Turbo alternators are generally used to run at

5000 rpm
1500 rpm
3000 rpm
1500 rpm

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Alternators
The salient pole construction for field structure of an alternator is generally used for ______ machine.

8-pole
2-pole
None of the listed here
4-pole

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Alternators
What is the largest size of a alternator being manufactured in india?

250MW
110 MW
500 MW
210 MW

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Alternators
Zero power factor method for alternator is generally used to determine

Synchronous impedance of alternator
None of the listed here
Efficiency of alternator
Voltage regulation of the alternator

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Alternators
The losses in an alternator are the same as in

A transformer
A rectifier
A dc machine
None of the listed here

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Alternators
When the speed of an alternator is reduced by half, the generated emf will become

Half
Twice
Four times
One-fourth

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