Polyphase Induction Motors MCQ - Electrician (Set-1) with Answers

Polyphase Induction Motors MCQ - Electrician (Set-1) with Answers

86) The torque of the induction motor is directly proportional to

Answer is:

stator flux, rotor current and rotor power factor

87) Calculate the torque in newton metre produced by 10 HP (metric) squirrel cage induction motor ?(Assume the speed of motor is 2877 R.P.M.)

Answer is:

24.4 Nm

88) What is the fuse rating that can be selected for a 10 H.P. induction motor ?

Answer is:

25 amperes

89) Stator of an induction motor contains three phase winding placed at

Answer is:

120 electrical degrees

90) What is the phase angle difference between each phase winding of 3 phase induction motor ?

Answer is:

120 degree