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Alternators

Alternators
In huge alternators, the moving part is

Poles
None of the listed here
Brushes
Armature

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

Ninth
Seventh
Third
Fifth

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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
1
0.866
0.5

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Alternators
Turbo alternators are generally used to run at

3000 rpm
5000 rpm
1500 rpm
1500 rpm

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Alternators
The losses in an alternator are the same as in

A rectifier
A transformer
A dc machine
None of the listed here

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Alternators
The field winding of an alternator is _____ excited.

None of the listed here
AC
DC
Both DC and AC

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