Electrical Machines
In a synchronous generator, if mechanical input is increased with constant excitation, the load angle will

 increase
 decrease
 either increase or decrease
None of these

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Electrical Machines
The compensating winding in a DC machine

 is located on commutating poles for improving commutation.
  is located on pole shoes to avoid the sparking at the brushes.
 is located in armature slots for compensation of the armature reaction.
  is located on pole shoes for avoiding the flashover at the commutator.

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