A.trim
B.change of trim
C.final trim
D.change of draft
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A.the minimum depth of the river prescribed in the channel maintenance program
B.the edge of a dredged channel
C.the highest level to which the river may rise without flooding
D.the least available water in a channel which limits the draft of boats and tows
A.center of buoyancy
B.center of flotation
C.center of gravity
D.tipping center
A.center of buoyancy
B.center of flotation
C.uncorrected height of the center of gravity of the vessel
D.center of gravity of the vessel corrected for free surface effects
A.the center of volume of the immersed portion of the vessel
B.the center of gravity of the water plane
C.that point at which all the vertical downward forces of weight are considered to be concentrated
D.that point at which all the vertical upward forces of buoyancy are considered to be concentrated
A.geometric center of the waterplane area
B.intersection of the vertical centerline and line of action of the buoyant force
C.center of gravity of the vessel corrected for free surface effects
D.geometric center of the displaced volume
最新試題
On a semisubmersible ship，reserve buoyancy is increased by the presence of void spaces above the waterline in the（）.
The center of buoyancy is located at the（）.
A vessel is tender if cargo weight is（）.
It is apparent that there was not sufficient depth of water（）and I claim that the estimated arrival draft as radioed to the agent to report to you was a close one.
Reducing the liquid free surfaces in a vessel reduces the（）.
The center of volume of the immersed portion of the hull is called the（）.
Keeping the draft at or below the load line mark will insure that the vessel has adequate（）.
On the cargo manifest，the gross weight of a box containing cargo is the weight of the（）.
The center of flotation of a vessel is（）.
After transferring a weight forward on a vessel，the draft at the center of flotation will（）.