單項(xiàng)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


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1.單項(xiàng)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

3.單項(xiàng)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

4.單項(xiàng)選擇題If the cause of a sudden severe list or trim is negative initial stability,counter flooding into empty tanks may().

A.increase the righting moment
B.cause an increase in the righting arm
C.bring the unit to an upright equilibrium position
D.cause the unit to flop to a greater angle