Electrical Machines
The direction of rotation of a DC compound motor can be reversed by interchanging

 armature connections.
 shunt field connections.
 series field connections.
 armature or field connections.

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Electrical Machines
Slip speed is the

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

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Electrical Machines
For a single phase capacitor start induction motor which of the following is valid?

 Rotation can be changed by interchanging supply terminals.
 Direction of rotation cannot be changed.
 None of these.
  Rotation can be changed by reversing main winding terminals.

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