航海英語船舶強度資料單項選擇題每日一練(2019.01.21)

來源：考試資料網(wǎng)

1 How is a safe water mark，that can be passed close aboard on either side，painted and lighted?（）

2 Generally，what is used to inflate liferafts?（）

3 Forces within a drilling unit have caused a difference between the starboard and port drafts. This difference is（）.

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4 How do you determine the weight of the vessel that is supported by the ground when a vessel has run aground?（）

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5 Given the same water depth and line tension，the holding power of a 19 pound/foot wire rope mooring system in comparison to the holding power of a 90 pound/foot chain mooring system will be（）.

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