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
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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
A.mean draft
B.true mean draft
C.mean of the calculated drafts
D.draft at the center of flotation
最新試題
The angle to which a floating ship，with a negative initial metacentric height，lies while at rest in still water is the angle of（）.
The center of the underwater volume of a floating vessel is the（）.
In the absence of external forces，the center of buoyancy of an inclined vessel is vertically aligned directly below the（）.
The center of flotation of a vessel is（）.
My drafts are 28 feet（）and 29 feet aft.
Aboard a ship，multiplying a load’s weight by the distance of the load’s center of gravity from the centerline results in the load’s（）.
Reducing the liquid free surfaces in a vessel reduces the（）.
Aboard a vessel，multiplying a load’s weight by the distance of the load’s center of gravity from the centerline results in the load’s（）.
A vessel is tender if cargo weight is（）.
Although KG for a ship in lightweight is relatively high，the vessel is stiff because（）.