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Alternators

Alternators
A 3 phase alternator has 3-slot per pole. The distribution factor of the winding is _______

None of the listed here
1
0.5
0.866

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

250MW
110 MW
210 MW
500 MW

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

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

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Alternators
Excessive windage loss and noise occur with

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

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Alternators
In air-crafts, alternators have operating frequency of

60 Hz
50 Hz
500 Hz
400 Hz

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Alternators
Voltage drop in an alternator when under load is due to ______

Armatute reaction
Armature resistance
All of the listed here
Armature reactance

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