單項(xiàng)選擇題A flooded lifeboat on board a vessel would adversely affect the vessel’s stability 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(xiàng)選擇題The line-throwing appliance provided on board ship is().

A.for the saving of life
B.for fire-fighting
C.for mooring purpose
D.for towing purpose