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Electrical Machines

Electrical Machines
Which of the following DC generators has rising V-I characteristics?

  None of them.
  Series.
  Compound.
  Shunt.

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Electrical Machines
What is the actual arrangement of series wound generator?

 Armature and field both are connected.
  Armature and field both are in series with the load.
 Armature and field both are parallel.
 Armature winding is in series with load.

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Electrical Machines
The output power indicated on the name plate of any motor is always the

 Power drawn in KVA.
 Power drawn in KW.
 Output power at the shaft.
 Gross power.

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Electrical Machines
Which motor used in Lathe machine?

  D.C. cumulative compound motor.
  D.C. shunt motor.
None of these
  D.C . series motor.

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Electrical Machines
The speed of rotation of 5th harmonic component in the stator of an induction motor is

  0.5 times the synchronous speed.
 (1 / 15) times the synchronous speed.
 5 times the synchronous speed.
  (1 / 5) times the synchronous speed.

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Electrical Machines
If a DC Series motor is connected across an AC supply it will

 burn.
 run at normal speed.
 not run.
 run at lower speed.

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MORE MCQ ON Electrical Machines

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