USCG USCG General Eng
Set 9 • Question #488 of 498
Launch Interactive Practice Room A pipe coupling is a fitting having __________.
A
outside threads on one end and inside threads on one end
B
outside threads on both ends
C
a left-hand twist
D
inside threads on both ends
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'A pipe coupling is a fitting having', the standard operating requirement is: 'inside threads on both ends'.
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