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Alternators

Alternators
Majority of the alternators are

Three phase
Two phase
Single phase
None of the listed here

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Alternators
Voltage regulation of an alternator is larger than that of a dc generator because of _______

Complex effects of armature reaction
None of the listed here
Large leakage reactance
Large armature resistance

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Alternators
The power factor of an alternator is determined by its

Speed
Load
Excitation
Primemover

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

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

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Alternators
An under excited alternator supplies _______

Leading VAR
No reactive power
Lagging VAR
None of the listed here

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Alternators
The stator of an alternator is identical to that of a ______

3-phase induction motor
1-phase induction motor
Dc generator
Roserberg generator

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