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Alternators

Alternators
Copper losses of an alternator can be measured by

Transformer
Dc motor
None of the listed here
Rectifier

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

210 MW
110 MW
250MW
500 MW

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Alternators
The number of poles in turbo alternators is usually

50
2
4
12

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Alternators
When load on an alternator is increased, the terminal voltage increases if the load pf is ______

Leading
Zero
Unity
Lagging

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

Operating at high rpm
More efficient
More costly
Larger in size

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Alternators
An alternator supplying power to a load with a leading power factor always has ______ voltage regulation.

Unity
Positive
Negative
Zero

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