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Alternators

Alternators
The power factor of an alternator is determined by its

Speed
Excitation
Load
Primemover

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Alternators
Iron and friction losses of an alternator can be measured by a

Dc motor
Transformer
Rectifier
None of the listed here

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Alternators
Majority of the alternators are

Two phase
Single phase
Three phase
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

One-fourth
Four times
Twice
Half

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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 huge alternators, the moving part is

Poles
Brushes
None of the listed here
Armature

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