单项选择题
A.center of gravity B.amidships station C.center of flotation D.geometric center of the waterplane area
In practice，it is usual for the ship to be loaded（）to i...
单项选择题In practice，it is usual for the ship to be loaded（）to improve the vessel’s movement through the water.
A.a little deeper aft B.a little deeper forward C.at the same draught between fore and aft D.a balance between two sides
If the cause of severe list or trim is off-center balla...
单项选择题If the cause of severe list or trim is off-center ballast，counterflooding into empty tanks will（）.
A.increase the righting moment B.increase the righting arm C.increase list or trim D.decrease list or trim
If the buoyant force on a ship’s hull is equal to the d...
单项选择题If the buoyant force on a ship’s hull is equal to the displacement tonnage，the ship will（）.
A.require ballast B.be down by the head C.sink D.float
