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Alternators

Alternators
What is the largest size of a alternator being manufactured in india?

500 MW
110 MW
210 MW
250MW

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Alternators
Alternators are usually design to generate

Variable frequncies
Definite frequencies
Definite currents
Definite power factor

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Alternators
Copper losses of an alternator can be measured by

Transformer
Rectifier
Dc motor
None of the listed here

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Alternators
In an alternator, the armature reaction will be completely magnetizing in case the load power factor is

0.866
Zero lagging
Zero leading
Unity

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Alternators
The field winding of an alternator is _____ excited.

None of the listed here
AC
DC
Both DC and AC

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Alternators
Excessive windage loss and noise occur with

Either cylindrical or salient
Cylindrical rotors
Salient pole rotors
None of the listed here

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