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Alternators

Alternators
The number of cycles generated in a 6-pole alternators in one revolution is _______

6
3
50
None of the listed here

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Alternators
The power factor of an alternator is determined by its

Speed
Excitation
Primemover
Load

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Alternators
Copper losses of an alternator can be measured by

Dc motor
Transformer
None of the listed here
Rectifier

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Alternators
The voltage regulation of an alternator depends on

None of the listed here
Load current only
Power factor only
Both load current and pf

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Alternators
Armature winding of an alternator are generally

Open winding
None of the listed here
Closed winding
Partly open and partly closed windings

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Alternators
The synchronous reactance of an alternator is due to ______

Armature reaction
None of the listed here
Dc field excitation
Leakage flux

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