Q.Width of a carbon brush in a DC machine should be equal to

  • ALess than the width of one commutator segment
  • BThe width of 1 to 2 commutator segments 
  • CThe width of 2 to 3 commutator segments 
  • DThe width of more than 3 commutator segments
Correct Answer : (C)

The width of 2 to 3 commutator segments 

Hints :

Width of a carbon brush in a DC machine should be equal to the width of 2 to 3 commutator segments.

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