USCG USCG Electrical
Set 4 • Question #113 of 142
Launch Interactive Practice Room The purpose of the commutator and brushes on a DC generator is to __________.
A
transfer generated direct current voltage from the armature to the line
B
convert the alternating voltage generated within the armature to a direct voltage
✓ Correct Answer
C
provide a sliding contact method to excite the field
D
reduce sparking between the armature and the carbon brushes
USCG NMC Regulatory Explanation
In USCG Marine Electrical Systems (IEEE 45 and 46 CFR), regarding 'The purpose of the commutator and brushes on a DC generator is to', the compliant technical standard is: 'convert the alternating voltage generated within the armature to a direct voltage'.
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