DC Motors MCQ - Electrician (Set-1) with Answers

DC Motors MCQ - Electrician (Set-1) with Answers

36) During the normal operation of a DC series motor, if the field winding is suddenly open-circuited, what will be the effect on the motor ?

Answer is:

It will not run

37) Which type of motor would you choose for starting the transport vehicles ?

Answer is:

D.C. Series motor

38) Which type of motor would you choose for starting the transport vehicle ?

Answer is:

DC series motor

39) The back emf of a DC motor depends on the :

Answer is:

field flux

40) Calculate the back e.m.f. of a 220 V, D.C Shunt motor. Armature resistance is 0.5 ohm, and armature current is 40 A ?

Answer is:

200 V

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