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Alternators

Alternators
In an alternator, for a coil having a span of 2/3 of pole pitch, the coil span factor will be

0.6
0.707
0.2
0.866

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Alternators
Regulation of alternator supplying reaistive or inductive load is

Always positive
Always negative
None of the listed here
Either positive or negative

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Alternators
A 3 phase alternator has 3-slot per pole. The distribution factor of the winding is _______

0.5
1
0.866
None of the listed here

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Alternators
In air-crafts, alternators have operating frequency of

400 Hz
500 Hz
60 Hz
50 Hz

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Alternators
Excessive windage loss and noise occur with

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

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Alternators
In case of a uniformly distributed winding, the value of distribution factor is

0.76
0.65
0.995
0.85

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MORE MCQ ON Alternators

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