Electrical Machines
Due to magnetic saturation, the flux per pole in a DC machine without brush shift

 decreases in generators and increases in motor with load.
 increases in both the generators and the motors with load.
  decreases in both generators and the motors with load.
 increases in generators but decreases in motor with load.

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Electrical Machines
In an alternator, voltage drops occurs in

  armature resistance and leakage reactance.
  armature resistance, leakage reactance, armature reaction and earth connection.
  armature resistance only.
  armature resistance, leakage reactance and armature reaction.

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

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

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