Electrical Machines
The principal of starting of 3 - Φ IM is similar to

  transformer with short-circuited secondary.
  capacitor run IM.
  synchronous motor.
  repulsion motor type starting.

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Electrical Machines
Slip speed is the

  difference of actual rotor speed and synchronous speed.
  sum of synchronous and rotor speeds.
  half of the sum of synchronous and rotor speeds.
  difference of synchronous speed and actual rotor speed.

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Electrical Machines
In a step down transformer which one of the following statements is true?

 Number of secondary turns is more than that of primary.
 Secondary power is less than primary power.
  Number of secondary turns is less than primary turns.
 Secondary current is less than primary current.

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