Why should the use of metallic or semi-metallic packing hooks or pullers be avoided on bronze or brass shafts, rods, plungers, or sleeves?

Correct Answer: Option C — Scoring may result.

In USCG Marine Engineering General Subjects, for engine room systems involving 'Why should the use of metallic or semi-metallic packing hooks or pullers be avoided on bronze or brass shafts, rods, plungers, or sleeves', the standard operating requirement is: 'Scoring may result.'.