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ALTERNATORS

Alternators
The speed of a salient pole machine is nearly

500 rpm
1000 rpm
1500 rpm
3000 rpm

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Alternators
Turbo alternators are generally used to run at

1500 rpm
1500 rpm
5000 rpm
3000 rpm

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Alternators
In huge alternators, the moving part is

None of the listed here
Armature
Brushes
Poles

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Alternators
Alternators are usually design to generate

Variable frequncies
Definite power factor
Definite frequencies
Definite currents

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Alternators
In aircrafts, alternators have operating frequency of

800 Hz
50 Hz
400 Hz
60 Hz

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