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
The center of the underwater volume of a floating vessel is the（）.
Reserve buoyancy is the（）.
The difference between the initial trim and the trim after loading is known as（）.
The average of the forward and after drafts is the（）.
The center of volume of the immersed portion of the hull is called the（）.
In the absence of external forces，the center of buoyancy of an inclined vessel is vertically aligned directly below the（）.
Keeping the draft at or below the load line mark will insure that the vessel has adequate（）.
My drafts are 28 feet（）and 29 feet aft.
A vessel is tender if cargo weight is（）.
The controlling depth of the river is（）.