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
Shifting weight aft in heavy weather will reduce the tendency to yaw，but may increase the tendency to（）.
Reserve buoyancy is（）.
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.
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（）.
In practice，it is usual for the ship to be loaded（）to improve the vessel’s movement through the water.
It’ll affect neither the draft（）the rotation of discharging.
For a floating vessel，true mean draft is always the（）.
A vessel is tender if cargo weight is（）.
On a vessel，multiplying a load’s weight by the distance of the load’s center of gravity above the baseline results in a(n)（）.
Allowance for fresh water for all freeboards other than timber 25mm. This wording is likely to appear in（）.