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
In the absence of external forces，the center of buoyancy of an inclined vessel is vertically aligned directly below the（）.
Shifting weight aft in heavy weather will reduce the tendency to yaw，but may increase the tendency to（）.
For a floating vessel，true mean draft is always the（）.
Although KG for a ship in lightweight is relatively high，the vessel is stiff because（）.
It’ll affect neither the draft（）the rotation of discharging.
In practice，it is usual for the ship to be loaded（）to improve the vessel’s movement through the water.
My drafts are 28 feet（）and 29 feet aft.
Intact buoyancy is a term used to describe（）.
The center of flotation of a vessel is（）.
For an upright vessel，draft is the vertical distance between the keel and the（）.