Engine : Electricity - 282/1386 |
---|
« Previous Question |
For routine cleaning of a commutator, what should be applied? |
A) a fine tooth file to the commutator while running |
B) a canvas wiper on the commutator while running |
C) an emery cloth parallel to the axis of the commutator |
D) course sandpaper in a slow back and forth motion across the commutator slots |
loading answer...
Comments |
---|
There are no comments for this question. |