USCG USCG General Eng
Set 14 • Question #164 of 498
Launch Interactive Practice Room During routine maintenance the bilge manifold valves are removed. Prior to resecuring the valve bonnets, the valve __________.
A
disks and seats should be checked and lapped if necessary
B
bonnet, flange gaskets should be renewed if they were cut or torn
C
stem packing should be renewed if the packing has hardened, the glands have bottomed out, or the glands cannot be tightened
D
all of the above
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'During routine maintenance the bilge manifold valves are removed. Prior to resecuring the valve bonnets, the valve', the standard operating requirement is: 'all of the above'.
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