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ELECTRICAL MACHINES

Electrical Machines
The shaft of induction motor should be

  stiff.
  any of these.
  hollow.
  flexible.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The rotor of a 3 - Φ wound induction motor is provided with

  three phase winding.
  single phase winding.
  heavy copper or aluminium bars placed in rotor slots.
  heavy short-circuited end rings.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a 3 - Φ wound rotor induction motor the short circuit gear is used to short circuit the

None of these
  stator phases of the motor.
  rotor at slip rings.
  starting resistance in the starter.

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Electrical Machines
Slip rings of an induction motors are made of

  carbon.
  stainless steel.
  phosphor bronze.
  aluminium.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which type of bearing is provided in small induction motors to support the rotor shaft?

  Ball bearings.
  Bush bearings.
  Cast iron bearings.
None of these

ANSWER DOWNLOAD EXAMIANS APP
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