航海英語(yǔ)液體散裝危險(xiǎn)品與IBC規(guī)則單項(xiàng)選擇題每日一練(2019.01.15)

來(lái)源：考試資料網(wǎng)

1 Hoses used for cargo transfer operations must be tested and inspected at specified intervals by（）.

2 If you are fighting a fire below the main deck of your vessel，which action is most importantconcerning the stability of the vessel? （）

3 A safe fuel system must（）.

4 What action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?（）

5 A petroleum liquid has a flash point of 135°Fahrenheit. This liquid is classed as a grade （）.