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(2019.01.25)

來(lái)源：考試資料網(wǎng)

1 One of the principal dangers inherent in liquefied petroleum gas is（）.

2 A synonym for chloroform is（）.

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

4 Regulations require that tank vessels handling grade B liquids shall have their cargo pumps separated from all sources of vapor ignition by（）.

5 The fresh air intake of the inert gas system（）.