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Alternators

Alternators
The rating of an alternator is expressed in______

kVAR
HP
kVA
kW

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Alternators
The dark and bright lamp method is used for

Synchronizing
Balancing of load
Phase sequence
Transfer of load

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Alternators
Which harmonic will be totally eliminate in an alternator by using a fractional pitch of 4/5 ?

Third
Seventh
Ninth
Fifth

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Alternators
In a cylindrical rotor how much portion of the rotor is wound?

Full
One third
Half
Two third

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

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

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Alternators
The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become

Double
Half
Unchanged
One fourth

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