航海英語船舶操縱基本知識單項選擇題每日一練(2019.01.20)

來源：考試資料網

1 If the towing bridle legs are not of equal length（）.

2 While moving ahead，a twin-screw ship has an advantage over a single-screw ship because （）.

3 One advantage of chain over wire rope for a tow bridle is that chain（）.

4 How does the effect known as bank suction act on a single-screw vessel proceeding along a narrow channel?（）.

5 The effect known as bank cushion acts in which of the following ways on a single-screw vessel proceeding along a narrow channel? （）