Why are removable sleeves installed on centrifugal pump shafts?
Official USCG Answer & Rule Citation
Correct Answer: Option B — They can be economically replaced as they wear out.
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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