USCG USCG Electrical
Set 4 • Question #99 of 142
Launch Interactive Practice Room To effectively clean a commutator in good physical condition, you should use __________.
A
trichloride ethylene
B
kerosene
C
a canvas wiper
✓ Correct Answer
D
a commutator stone
USCG NMC Regulatory Explanation
In USCG Marine Electrical Systems (IEEE 45 and 46 CFR), regarding 'To effectively clean a commutator in good physical condition, you should use', the compliant technical standard is: 'a canvas wiper'.
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