Coast Guard Regulations (46 CFR) define several acceptable means of closure for ballast and fuel oil tank vents. One of the acceptable means is by the use of a/an __________.
A
manually operated ball check valve
B
automatically operated hinged closure
C
permanently installed canvas hood
D
corrosion resistant wire screen
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Question 1 / 205eccef9cbacbc34ba4d45bfc
Question 1 of 205eccef9cbacbc34ba4d45bfc
Coast Guard Regulations (46 CFR) define several acceptable means of closure for ballast and fuel oil tank vents. One of the acceptable means is by the use of a/an __________.
Coast Guard Regulations (46 CFR) define several acceptable means of closure for ballast and fuel oil tank vents. One of the acceptable means is by the use of a/an __________.