USCG USCG General Eng
Set 13 • Question #136 of 498
Launch Interactive Practice Room To maintain the design discharge pressure of a centrifugal pump, the clearance between the __________.
A
impeller and lantern ring is critical
B
impeller and casing wearing rings is critical
✓ Correct Answer
C
packing box and packing gland is critical
D
gland seal and packing gland is critical
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'To maintain the design discharge pressure of a centrifugal pump, the clearance between the', the standard operating requirement is: 'impeller and casing wearing rings is critical'.
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