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Alternators

Alternators
In case of a uniformly distributed winding, the value of distribution factor is

0.85
0.995
0.76
0.65

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Alternators
A two pole alternator is running at 1500 rpm. Its angular velocity is ______

192 rad/s
212 rad/s
118 rad/s
157 rad/s

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Alternators
Armature winding of an alternator are generally

Closed winding
Open winding
Partly open and partly closed windings
None of the listed here

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Alternators
In an alternator one of the advantages of distribution the winding is to

Reduce noise
Save on copper
None of the listed here
Improve voltage wavefrom

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

Zero lagging
Unity
0.866
Zero leading

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Alternators
High speed alternators are driven by _____.

Hydraulic turbines
Diesel engines
Steam turbines
None of the listed here

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