单项选择题

A vessel has a strong wind on the port beam. This has the same affect on stability as（）.

A.weight that is off-center to starboard
B.increasing the draft
C.reducing the freeboard
D.increasing the trim

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单项选择题

A flooded leg on a lift boat would adversely affect the vessel’s stability underway by（）.

A.increasing the righting moment
B.decreasing the vessel's displacement
C.increasing the reserve buoyancy
D.shifting the CG (center of gravity) off center

单项选择题

（）is the tendency of a vessel to return to its original position after it is displaced therefrom.

A.Inclining moment
B.Stability
C.Shearing force
D.Bending moment

单项选择题

The tendency of a vessel to return to its original trim after being inclined by an external force is（）.

A.equilibrium
B.buoyancy
C.transverse stability
D.longitudinal stability