USCG USCG General Eng
Set 7 • Question #424 of 498
Launch Interactive Practice Room To absorb the wear resulting from impeller rotation and abrasives in the liquid, a centrifugal pump is usually fitted with __________.
A
lantern rings
B
bearings
C
casing volutes
D
wearing rings
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'To absorb the wear resulting from impeller rotation and abrasives in the liquid, a centrifugal pump is usually fitted with', the standard operating requirement is: 'wearing rings'.
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