單項(xiàng)選擇題

In the absence of external forces, the center of buoyancy of an inclined vessel is vertically aligned directly below the（）.

A.center of gravity
B.amidships station
C.center of flotation
D.geometric center of the waterplane area

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單項(xiàng)選擇題

In the absence of external forces, the center of gravity of a floating vessel is located directly above the（）.

A.metacenter
B.amidships
C.center of floatation
D.geometric center of the displaced volume

單項(xiàng)選擇題

In the stowage of deck cargo, cribbing is（）.

A.placed on deck to support the cargo
B.separation pieces used to keep cylinders upright and steady
C.shims for stowing balded cargo
D.nets placed across the hatch opening to keep the cargo from falling in the hatch