航海英語(yǔ)船舶浮性單項(xiàng)選擇題每日一練(2019.01.21)

來(lái)源：考試資料網(wǎng)

1 As the displacement of a vessel increases，the detrimental effect of free surface（）.

2 A moment is obtained by multiplying a force by its（）.

3 Aboard a ship，multiplying a load’s weight by the distance of the load’s center of gravity from the centerline results in the load’s（）.

4 The center of buoyancy and the metacenter are in the line of action of the buoyant force（）.

5 The upward pressure of displaced water is called（）.