A.center of buoyancy
B.center of flotation
C.center of gravity
D.tipping center
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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
A.trim
B.yaw
C.heel
D.loll
最新試題
Reserve buoyancy is the（）.
The average of the forward and after drafts is the（）.
On a semisubmersible ship，reserve buoyancy is increased by the presence of void spaces above the waterline in the（）.
A vessel is tender if cargo weight is（）.
The controlling depth of the river is（）.
The angle to which a floating ship，with a negative initial metacentric height，lies while at rest in still water is the angle of（）.
It’ll affect neither the draft（）the rotation of discharging.
If the buoyant force on a ship’s hull is equal to the displacement tonnage，the ship will（）.
Owing to the big draft，the ship is not permitted to go alongside until the time of（）.
After transferring a weight forward on a vessel，the draft at the center of flotation will（）.