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Alternators

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

Positive
Negative
Unity
Zero

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Alternators
The losses in an alternator are the same as in

A transformer
A dc machine
A rectifier
None of the listed here

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Alternators
The stator of an alternator rarely uses _____slots.

Wide open type
None of the listed here
Semi-closed type
Closed type

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Alternators
Turbo alternators are generally used to run at

1500 rpm
5000 rpm
1500 rpm
3000 rpm

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

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

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Alternators
The rotor of a turbo alternator is made cylindrical in order to reduce_______

None of the listed here
Eddy current loss
Hysteresis loss
Windage loss

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