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

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

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Electrical Machines
Skewing of the rotor in a 3 - Φ squirrel cage induction motor reduces

  noise, parasitic torque, starting torque and pull out torque.
  noise and pullout torque, but increase parasitic and starting torque.
  noise and parasitic torque, but increase starting and pull-out torque.
  noise, parasitic and starting torque, but increase pull out torque.

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