單項選擇題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


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1.單項選擇題()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

2.單項選擇題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

3.單項選擇題The pivoting point of a fully loaded vessel with normal trim proceeding ahead at sea speed is().

A.right at the bow
B.one-third the length of the vessel from the bow
C.one-half the length of the vessel from the bow
D.two-thirds the length of the vessel from the bow

5.單項選擇題In the event of damage to the DEEP WATER SHIP which results in flooding to one of the lower-hull tanks,pump from().

A.nearby damaged tanks
B.nearby undamaged tanks containing ballast
C.tanks on the opposite corner
D.the opposite trim tank