单项选择题

You are on a multiple-product chemical tanker and will carry cargoes of allyl alcohol，benzene，and propanolamine. Which of the following is true? （）

A.All of these cargoes are mutually compatible
B.Benzene may not be carried in a tank adjacent to either of the other two cargoes
C.Allyl alcohol is incompatible with propanolamine but both are compatible with benzene
D.Propanolamine is compatible with allyl alcohol but must be segregated from benzene

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You are on a multiple product tanker and carrying methyl acrylate，diethanolamine，and triethylamine. Which statement is TRUE? （）

A.Methyl acrylate may be loaded in a tank adjacent to diethanolamine but not triethylamine
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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? （）

A.Yours is the give-way vessel because it is less than 30 meters long
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