Single Phase Induction Motor Multiple Choice Questions and Answers

28. The electric motor used in portable drills is

   A.Capacitor run motor

   B.Hysteresis motor

   C.Universal motor

   D.Repulsion motor

29. Which of the following applications always have some load whenever switched on

   A.Vacuum cleaners

   B.Fan motors

   C.Pistol drills

   D.All of the above

30. Which of the following motors can be used for unity power factor

   A.Capacitor run motor

   B.Shaded pole motor

   C.Hysteresis motor

   D.Schrage motor

31. Which motor is normally free from mechanical and magnetic vibrations

   A.Split phase motor

   B.Universal motor

   C.Hysteresis motor

   D.Shaded pole motor

32. Which of the following motors has two separate windings on the motor

   A.Repulsion motor

   B.Repulsion induction motor

   C.Repulsion start induction run motor

   D.None of the above

33. The rotor of which motor does not have winding on it

   A.Repulsion motor

   B.Universal motor

   C.Reluctance motor

   D.Hysteresis motor

   E.None of the above

34. Which motor will make least noise

   A.Hysteresis motor

   B.Capacitor motor

   C.Shaded-pole motor

   D.Universal motor

35. Which motor has unsymmetrical rotor

   A.Shaded-pole motor

   B.Split-phase motor

   C.Reluctance motor

   D.Universal motor

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