USCG USCG General Eng
Set 17 • Question #255 of 498
Launch Interactive Practice Room A swing check valve is used in a pipeline to __________.
A
maintain a preset pressure on the line
B
closely regulate the amount of flow
C
relieve excessive pressure on the line
D
allow flow in one direction only
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'A swing check valve is used in a pipeline to', the standard operating requirement is: 'allow flow in one direction only'.
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