USCG USCG General Eng
Set 7 • Question #423 of 498
Launch Interactive Practice Room If the capacity of a centrifugal pump decreases gradually over a long period of time, you should replace the __________.
A
packing gland
B
mechanical seals
C
lantern rings
D
wearing rings
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'If the capacity of a centrifugal pump decreases gradually over a long period of time, you should replace the', the standard operating requirement is: 'wearing rings'.
Question Discussion & Notes
0Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.
Loading mariner discussions...