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Electrical Machines

Electrical Machines
The maximum power developed in cylindrical synchronous machine is occurs at a load angle of

 0o.
 Greater than 90o.
 90o.
 less than 90o.

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Electrical Machines
For the same power output rating and full load speed, the motor will have poorest starting torque, is

 Series.
 Differential compound.
  Shunt.
 Cummulative compound.

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Electrical Machines
Which of the following induction motor has maximum speed?

  2 pole.
 4 pole.
 6 pole.
 8 pole.

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Electrical Machines
Which of the following is the largest conversion device?

 DC machine
 Induction machine
All of these
 Synchronous machine

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Electrical Machines
In DC generators, the brushes remain in contact with conductors which

 lie under north pole.
 there is no hard and fast rule for this.
 lie under south pole.
 lie in the inter polar gaps.

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Electrical Machines
Which of the following machine will have maximum efficiency?

 Electrical power generator.
 Induction motor.
  Electrical power transformer.
 DC motor.

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MORE MCQ ON Electrical Machines

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