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Alternators

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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Alternators
The field winding of an alternator is _____ excited.

None of the listed here
DC
Both DC and AC
AC

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

None of the listed here
0.5
0.866
1

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Alternators
Excessive windage loss and noise occur with

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

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Alternators
Turbo alternators have rotors of _______

Large diameter and long axial length
Same diameter and axial length
Large diameter and small axial length
Small diameter and long axial length

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Alternators
The power factor of an alternator is determined by its

Speed
Primemover
Excitation
Load

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