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Alternators

Alternators
Copper losses of an alternator can be measured by

Transformer
Dc motor
Rectifier
None of the listed here

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Alternators
The dark and bright lamp method is used for

Phase sequence
Synchronizing
Transfer of load
Balancing of load

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Alternators
In aircrafts, alternators have operating frequency of

60 Hz
800 Hz
50 Hz
400 Hz

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Alternators
In an alternator one of the advantages of distribution the winding is to

Reduce noise
Improve voltage wavefrom
Save on copper
None of the listed here

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Alternators
The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______

1000 rpm
500 rpm
None of the listed here
1500 rpm

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Alternators
An alternator is somtimes called _______ generator.

Asynchronous
None of the listed here
Synchronous
Rosenberg

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