Log In

Engine : Electricity - 284/1386
Get a hint
« Previous Question
In addition to improper brush pressure or seating, what can result in excessive sparking at the brushes of a DC propulsion motor?
A) improper positioning of brush rigging outside the neutral plane
B) operating at continuously varying loads such as during maneuvering
C) reversed main field polarity with respect to the armature
D) reversed armature polarity with respect to the field
loading answer...
There are no comments for this question.
0 0 0%

Study Mode
Answers Only
Clear Score