航海英語(yǔ)甲板與船體保養(yǎng)單項(xiàng)選擇題每日一練(2019.01.07)

來(lái)源：考試資料網(wǎng)

1 Mechanical gearing of deck machinery such as the windlass or boat hoists should（）.

2 When hoisting a boat on gravity type davits using an electric motor driven winch，the davit arms should be brought up（）.

3 The holding power of an anchor increases when the（）.

4 Which tackle arrangement has the LEAST mechanical advantage（）.

5 What danger is presented if a waterspout passes over a ship?（）