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航海英語船舶浮性單項(xiàng)選擇題每日一練(2019.01.21)
來源:考試資料網(wǎng)
1
As the displacement of a vessel increases,the detrimental effect of free surface().
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2
A moment is obtained by multiplying a force by its().
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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().
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4
The center of buoyancy and the metacenter are in the line of action of the buoyant force().
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5
The upward pressure of displaced water is called().
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