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Electrical Machines

Electrical Machines
DC machine windings are

 full pitched
 short pitched
None of these
 either of these

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Electrical Machines
In an alternator the voltage generated per phase is proportional to

All of these
  number of turns in coil.
  flux per pole.
  frequency of waveform.

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Electrical Machines
A differentially compound motor under high-over-load conditions will behave like a / an

 shunt motor.
 cummulative compound motor.
  series motor.
 AC synchronous motor.

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Electrical Machines
In an ideal DC generator the regulation is

 zero.
 low.
 positive.
 high.

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Electrical Machines
The flux is maximum in the following part of a DC motor:

 pole core.
 under the interpole.
 under leading pole tip.
 under trailing pole tip.

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Electrical Machines
Rotor resistance speed control is used in

 dc shunt motor.
 squirrel cage induction motor.
 synchronous motor.
 slip ring induction motor.

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