单项选择题
A.butterfly valve B.spectacle valve C.check valve D.globe valve
The terms “cant frame” and “counter” are associated wit...
单项选择题The terms “cant frame” and “counter” are associated with the vessel’s（）.
A.cargo hatch B.forecastle C.steering engine D.stern
The system of valves and cargo lines in the bottom pipi...
单项选择题The system of valves and cargo lines in the bottom piping network of a tank vessel that connects one section of cargo tanks to another section is called a（）.
A.crossover B.runaround C.come-along D.manifold
The shipping papers for the products being carried in y...
单项选择题The shipping papers for the products being carried in your tanker are NOT required to contain the（）.
A.exact quantity of the cargoes B.grades of the cargoes C.location of the delivery point(s) D.name of the consignee(s)
