The most suitable dc motor for continuously running rolling mills with intermittent loading is 

  • ADc series motor 
  • BDc shunt motor
  • CDc differentially compounded motor
  • DDc cumulatively compounded motor
Correct Answer : (D)

Dc cumulatively compounded motor

Hints :

The current drawn by a 120 V dc motor with back emf of 110 V and armature resistance of 0.4 ohm is


With the increase in speed of a dc motor

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