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Alternators

Alternators
The number of cycles generated in a 6-pole alternators in one revolution is _______

6
3
50
None of the listed here

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Alternators
In air-crafts, alternators have operating frequency of

400 Hz
60 Hz
50 Hz
500 Hz

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

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

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

Transformer
None of the listed here
Rectifier
Dc motor

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Alternators
Which harmonic will be totally eliminate in an alternator by using a fractional pitch of 4/5 ?

Seventh
Fifth
Ninth
Third

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Alternators
An alternator supplying power to a load with a leading power factor always has ______ voltage regulation.

Unity
Negative
Zero
Positive

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