USCG USCG General Eng
Set 13 • Question #134 of 498
Launch Interactive Practice Room Lantern rings are provided on centrifugal pumps to __________.
A
allow illuminated inspection of shaft and packing
B
provide a passage for the stuffing box sealing liquid
✓ Correct Answer
C
adjust leakage at the shaft gland
D
allow for distortion of the wearing rings
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'Lantern rings are provided on centrifugal pumps to', the standard operating requirement is: 'provide a passage for the stuffing box sealing liquid'.
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