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

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单项选择题

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

单项选择题

The angle to which a floating ship，with a negative initial metacentric height，lies while at rest in still water is the angle of（）.

A.trim
B.yaw
C.heel
D.loll

单项选择题

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