USCG USCG General Eng
Set 3 • Question #294 of 498
Launch Interactive Practice Room To maintain design discharge pressure from a centrifugal pump, the design clearance must be maintained between the __________.
A
shaft and impeller
B
motor and pump shaft
C
casing and impeller wearing rings
✓ Correct Answer
D
lantern ring and impeller
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'To maintain design discharge pressure from a centrifugal pump, the design clearance must be maintained between the', the standard operating requirement is: 'casing and impeller wearing rings'.
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