The rapid wear of brushes takes place due to____________?
(A) abrasion from dust
(B) excessive spring pressure
(C) rough commutator bars
(D) high mica insulation between com-mutation bars
(E) all of the above factors
The rapid wear of brushes takes place due to____________?
| Share this... |
 Facebook
|
 Twitter
|
 Linkedin
|
 Whatsapp
|
Related Mcqs
- Previous:Which of the following components of a D.C, generator plays vital role for providing direct current of a D.C. generator ?
- Next:In case of D.C. machine winding, number of commutator segments is equal to______________?
Leave a Reply
Your email address will not be published. Required fields are marked *
