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Alternators

Alternators
The number of cycles generated in a 6-pole alternators in one revolution is _______

6
None of the listed here
3
50

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Alternators
In an alternator, the stator frame serves

To verticate the armature
As a return path for the flux
To protect the whole machine
To hold the armature stampings

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Alternators
Regulation of alternator supplying reaistive or inductive load is

Either positive or negative
None of the listed here
Always positive
Always negative

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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

None of the listed here
Inductive
Capacitive
Resistive

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Alternators
Modern 3-phase alternator of a central power station will have generated voltage of

230 V
400 V
132 kV
11 kV

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Alternators
Iron and friction losses of an alternator can be measured by a

Rectifier
Transformer
None of the listed here
Dc motor

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