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Alternators

Alternators
Majority of the alternators are

Three phase
Single phase
Two phase
None of the listed here

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Alternators
Alternators, now a days, are designed to have poor regulation because

We employ automatic voltage regulators
It limits the value of short circuit current
It reduces the construction cost
None of the listed here

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Alternators
The field winding of an alternator is _____ excited.

DC
AC
Both DC and AC
None of the listed here

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Alternators
Excessive windage loss and noise occur with

Either cylindrical or salient
None of the listed here
Salient pole rotors
Cylindrical rotors

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Alternators
For the same rating, the size of low speed alternator is ______that of high speed alternator.

Less than
About the same as
None of the listed here
More than

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Alternators
An alternator is somtimes called _______ generator.

None of the listed here
Asynchronous
Rosenberg
Synchronous

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MORE MCQ ON Alternators

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