单项选择题
A.Methyl acrylate may be loaded in a tank adjacent to diethanolamine but not triethylamine
B.The heating coils to the cargo tank loaded with methyl acrylate must be blanked off
C.Valve components made of aluminum，copper，or zinc may not be in contact with the cargoes
D.Each crew member working on deck must have an emergency escape breathing apparatus
单项选择题 You are keeping the required garbage disposal records. The amount of garbage disposed must be stated in（）.
单项选择题 You are crossing a narrow channel in a 15-meter vessel when you sight a tanker off your port bow coming up the channel. Which statement is TRUE? （）
单项选择题 You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE? （）.