航海英語(yǔ)應(yīng)急部署單項(xiàng)選擇題每日一練(2019.01.16)

來(lái)源：考試資料網(wǎng)

1 The supply of carbon dioxide used in the fixed extinguishing system aboard a cargo vessel MUST be at least sufficient for（）.

2 What is NOT listed on the metallic name plate required to be attached to hand portable fire extinguishers?（）

3 What is the most important characteristic of the extinguishing agent in fighting a class C fire?（）

4 To lubricate the swivel or remove corrosion from a fire hose coupling，you should use（）.

5 The wooden plug inserted in the vent of a damaged tank of a ship should be removed in case it is decided to（）.