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Alternators

Alternators
The power factor of an alternator is determined by its

Load
Excitation
Primemover
Speed

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Alternators
Alternators are usually design to generate

Definite power factor
Definite frequencies
Definite currents
Variable frequncies

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Alternators
For the same power rating, an alternator is ______that of a dc generator.

None of the listed here
Smaller in size than
Larger in size than
Of the same size as

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Alternators
Modern 3-phase alternator of a central power station will have generated voltage of

230 V
132 kV
400 V
11 kV

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Alternators
Iron and friction losses of an alternator can be measured by a

None of the listed here
Transformer
Dc motor
Rectifier

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Alternators
The airgap in an alternator is ________ in an induction motor.

None of the listed here
Much shorter than
Much longer than
About same as

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