USCG USCG General Eng
Set 15 • Question #190 of 498
Launch Interactive Practice Room An S-type trap and drain is used __________.
A
for all lavatory sink installations, as no other drain type is useable
B
whenever the 'gray' water drain system connection is located in the deck
✓ Correct Answer
C
whenever the 'gray' water drain system connection is located in a bulkhead
D
as a condensate drain for superheaters
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'An S-type trap and drain is used', the standard operating requirement is: 'whenever the 'gray' water drain system connection is located in the deck'.
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