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Alternators

Alternators
Majority of the alternators are

Two phase
None of the listed here
Single phase
Three phase

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

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

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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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Alternators
Armature winding of an alternator are generally

None of the listed here
Closed winding
Partly open and partly closed windings
Open winding

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Alternators
The rotor of a turbo alternator is made cylindrical in order to reduce_______

Hysteresis loss
Windage loss
None of the listed here
Eddy current loss

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Alternators
In an alternator the armature reaction is mainly influenced by

The power factor of the load
Short circuit ratio
Total current drawn
Speed of the alternator

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MORE MCQ ON Alternators

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