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Alternators

Alternators
In huge alternators, the moving part is

Armature
Brushes
Poles
None of the listed here

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Alternators
Voltage regulation of an alternator is usually

None of the listed here
Much higher than that of a power transformer
Equal to that of power transformer
Much lower than that of power transformer

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Alternators
Turbo alternators are generally used to run at

5000 rpm
3000 rpm
1500 rpm
1500 rpm

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Alternators
The speed of a salient pole machine is nearly

1500 rpm
3000 rpm
500 rpm
1000 rpm

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Alternators
The stator of an alternator is identical to that of a ______

1-phase induction motor
Roserberg generator
Dc generator
3-phase induction motor

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Alternators
In a large generator, dampers

Reduce voltage fluctuations
None of the listed here
Increase stability
Reduce frequency fluctuations

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MORE MCQ ON Alternators

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