航海英語(yǔ)船舶物料及管理單項(xiàng)選擇題每日一練(2019.01.11)

來(lái)源：考試資料網(wǎng)

1 All the copper bars are（）different sizes.

2 Which types of portable fire extinguishers are designed for use on electrical fires?（）

3 An advantage of nylon rope over manila rope is that nylon rope（）.

4 Your vessel is at a dock taking bunkers through a pipe laid down on the dock. If oil begins to flow out of a tank vent，what should you do FIRST?（）

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5 Before operating a non-oceangoing ship greater than 100 gross tons it must have a fixed piping system to discharge oily mixtures ashore. This system must include（）.

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