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Alternators

Alternators
In huge alternators, the moving part is

Brushes
Poles
Armature
None of the listed here

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Alternators
The disadvantaged of a short pitched coil is that _______

None of the listed here
Harmonics are introduced
Waveform becomes non-sinusoidal
Voltage round the coil is reduced

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Alternators
Where the terminal voltage of an alternator falls on throwing of the load, it indicates that the load is purely

Inductive
None of the listed here
Capacitive
Resistive

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

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

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Alternators
Excessive windage loss and noise occur with

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

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Alternators
For the same rating, the size of low speed alternator is ______that of high speed alternator.

More than
Less than
About the same as
None of the listed here

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MORE MCQ ON Alternators

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