Electrical Engineering Mcqs

In three-phase squirrel-cage induction motors____________?
  • (A)  rotor conductor ends are short-circuited through slip rings
  • (B)  rotor conductors are short-circuited through end rings
  • (C)  rotor conductors are kept open
  • (D)  rotor conductors are connected to insulation
An induction motor is__________?
  • (A)  self-starting with zero torque
  • (B)  self-starting with high torque
  • (C)  self-starting with low torque
  • (D)  non-self starting
As load on an induction motor goes on increasing______________?
  • (A)  its power factor goes on decreasing
  • (B)  its power factor remains constant
  • (C)  its power factor goes on increasing even after full load
  • (D)  its power factor goes on increasing up to full load and then it falls again