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Alternators

Alternators
Copper losses of an alternator can be measured by

Dc motor
Transformer
Rectifier
None of the listed here

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Alternators
The salient pole construction for field structure of an alternator is generally used for ______ machine.

8-pole
4-pole
None of the listed here
2-pole

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Alternators
The speed of a salient pole machine is nearly

500 rpm
1000 rpm
3000 rpm
1500 rpm

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Alternators
The power factor of an alternator is determined by its

Primemover
Load
Excitation
Speed

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Alternators
The stator of an alternator rarely uses _____slots.

Wide open type
None of the listed here
Semi-closed type
Closed type

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Alternators
The dark and bright lamp method is used for

Synchronizing
Balancing of load
Transfer of load
Phase sequence

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