Motor vibrations are usually caused by
A. loose coupling
B. dirt on the commutator
C. much brush tension
D. worn bearings
Show Answer
Answer: D
Share your understanding of this question with the correct explanation.
Motor vibrations are usually caused by
A. loose coupling
B. dirt on the commutator
C. much brush tension
D. worn bearings
Answer: D
Share your understanding of this question with the correct explanation.