Coast Guard Regulations (46 CFR) permit drain valves in the machinery space for removing water and impurities from diesel engine fuel systems. Those valves must be __________.
A
ball-check valves to prevent leakage
B
automatically closed by a solenoid
C
connected through the tank top
D
fitted with caps or plugs to prevent leakage
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Question 1 / 205eccefa2bacbc34ba4d477d1
Question 1 of 205eccefa2bacbc34ba4d477d1
Coast Guard Regulations (46 CFR) permit drain valves in the machinery space for removing water and impurities from diesel engine fuel systems. Those valves must be __________.
Coast Guard Regulations (46 CFR) permit drain valves in the machinery space for removing water and impurities from diesel engine fuel systems. Those valves must be __________.