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QUESTIONS

Alternators
The rating of an alternator is expressed in______

kVAR
kVA
kW
HP

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Alternators
Damper windings are used in alternators to

Prevenent hunting
Achieve synchronism
None of the listed here
Reduce windage loss

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

Four times
Half
Twice
One-fourth

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Alternators
The magnitude of emf generated by an alternators depends on ______

Rotor speed
Flux per pole
All of the listed here
Number of poles

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Alternators
The alternators driven by _______ do not have a tendency to hunt.

Water turbines
Diesel engines
None of the listed here
Steam turbines

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