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Alternators

Alternators
The rating of an alternator is expressed in______

kVA
HP
kW
kVAR

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

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

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Alternators
A lower voltage alternator, for the same power rating, will be

Larger in size
More efficient
More costly
Operating at high rpm

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Alternators
Alternators are usually design to generate

Definite power factor
Variable frequncies
Definite currents
Definite frequencies

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Alternators
The rotor of a turbo alternator is made cylindrical in order to reduce_______

Eddy current loss
None of the listed here
Hysteresis loss
Windage loss

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Alternators
The number of poles in turbo alternators is usually

4
2
12
50

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