USCG USCG General Eng
Set 7 • Question #415 of 498
Launch Interactive Practice Room If a centrifugal pump vibrates and is noisy when operating, the cause could be __________.
A
worn gland sealing shaft
B
worn wearing rings
C
a bent shaft
✓ Correct Answer
D
reversed pump coupling
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'If a centrifugal pump vibrates and is noisy when operating, the cause could be', the standard operating requirement is: 'a bent shaft'.
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