航海英語船舶強(qiáng)度單項(xiàng)選擇題每日一練(2019.01.07)

來源：考試資料網(wǎng)

1 If a vessel is sagging，what kind of stress is placed on the sheer strake?（）

2 What does the proof test load of an anchor chain demonstrate?（）

3 The procedure of strengthening damaged structures on a ship by using wood or steel is called（）.

4 Vertical structural members attached to the floors that add strength to the floors are called（）.

5 Camber，in a ship，is usually measured in（）.