Electrical Machines
Reversing the direction of rotation of split phase motors is done by

All of these
 interchanging the capacitor from starting winding to main winding or vice versa.
 reversing the terminals of main winding.
 reversing the terminals of starting winding.

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Electrical Machines
In a DC shunt generator working on load, the brushes are moved forward in the direction of rotation, as a result of this, commutation will

  worsen and terminal voltage will rise.
  worsen and terminal voltage will fall
 improve but terminal voltage will fall.
  improve and terminal voltage will rise .

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