USCG USCG General Eng
Set 15 • Question #207 of 498
Launch Interactive Practice Room Why should the use of metallic or semi-metallic packing hooks or pullers be avoided on bronze or brass shafts, rods, plungers, or sleeves?
A
Heat transfer is restricted.
B
Scoring may result.
✓ Correct Answer
C
Valve seat will be damaged.
D
Bonnet corrosion may result.
USCG NMC Regulatory Explanation
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.'.
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