USCG USCG General Eng
Set 4 • Question #334 of 498
Launch Interactive Practice Room Why are removable sleeves installed on centrifugal pump shafts?
A
They make it easier to replace the pump shaft packing.
B
They can be economically replaced as they wear out.
✓ Correct Answer
C
They can be removed when it is necessary to lighten the weight of the pump.
D
They increase the strength of the shaft.
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'Why are removable sleeves installed on centrifugal pump shafts', the standard operating requirement is: 'They can be economically replaced as they wear out.'.
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