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
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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
A.trim
B.yaw
C.heel
D.loll
A.lighter／large
B.light／larger
C.lighter／larger
D.light／large
最新試題
After transferring a weight forward on a vessel，the draft at the center of flotation will（）.
In the absence of external forces，the center of buoyancy of an inclined vessel is vertically aligned directly below the（）.
A vessel is tender if cargo weight is（）.
If the buoyant force on a ship’s hull is equal to the displacement tonnage，the ship will（）.
Intact buoyancy is a term used to describe（）.
The center of buoyancy is located at the（）.
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.
Shifting weight aft in heavy weather will reduce the tendency to yaw，but may increase the tendency to（）.
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（）.
On a semisubmersible ship，reserve buoyancy is increased by the presence of void spaces above the waterline in the（）.