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
If the buoyant force on a ship’s hull is equal to the displacement tonnage，the ship will（）.
In practice，it is usual for the ship to be loaded（）to improve the vessel’s movement through the water.
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（）.
The average of the forward and after drafts is the（）.
The center of the underwater volume of a floating vessel is the（）.
Reducing the liquid free surfaces in a vessel reduces the（）.
If the cause of severe list or trim is off-center ballast，counterflooding into empty tanks will（）.
A vessel would be referred to as tender when the weight of the cargo is（）.
Owing to the big draft，the ship is not permitted to go alongside until the time of（）.
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.