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ALTERNATORS

Alternators
The speed of a salient pole machine is nearly

1000 rpm
500 rpm
1500 rpm
3000 rpm

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Alternators
Turbo alternators are generally used to run at

5000 rpm
3000 rpm
1500 rpm
1500 rpm

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Alternators
In huge alternators, the moving part is

Brushes
Armature
None of the listed here
Poles

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Alternators
Alternators are usually design to generate

Definite currents
Definite frequencies
Variable frequncies
Definite power factor

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Alternators
In aircrafts, alternators have operating frequency of

50 Hz
800 Hz
60 Hz
400 Hz

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