单项选择题
If you are bunkering and you close off one tank in the line of tanks being filled，the rate of flow to other open tanks on the same line will（）.
A.increase B.decrease C.stop D.remain constant
单项选择题 How must each storage tank for helicopter fuel on a ship be marked?（）
单项选择题 If the Certificate of Inspection of a damaged tank barge has expired，which certificate may be issued to allow its movement to a repair facility? （）
单项选择题 Gasoline fuel tank vents should terminate（）.
