Emery cloth should never be used to clean...
Question 1 of 27070
Q
Emery cloth should never be used to clean the commutator of a motor or generator:
A
Because it contains particles which may lodge between commutator segments and cause short circuits
B
Because it may polish the commutator too smooth for good brush contact
C
Because it may decrease the insulating quality of its mica between the interpoles
D
None of the above
Question 1 / 27070
VDHD5LVhydqPWYLFCWZR
Question 1 of 27070
VDHD5LVhydqPWYLFCWZR
Emery cloth should never be used to clean the commutator of a motor or generator:
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A
Because it contains particles which may lodge between commutator segments and cause short circuits
B
Because it may polish the commutator too smooth for good brush contact
C
Because it may decrease the insulating quality of its mica between the interpoles
D
None of the above
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Question 1 of 27070
VDHD5LVhydqPWYLFCWZR
Q
Emery cloth should never be used to clean the commutator of a motor or generator:
A
Because it contains particles which may lodge between commutator segments and cause short circuits
B
Because it may polish the commutator too smooth for good brush contact
C
Because it may decrease the insulating quality of its mica between the interpoles
D
None of the above
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