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
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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
A.be pooped
B.pitchpole
C.broach
D.squat
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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（）.
A vessel is tender if cargo weight is（）.
The center of volume of the immersed portion of the hull is called the（）.
If the cause of severe list or trim is off-center ballast，counterflooding into empty tanks will（）.
It’ll affect neither the draft（）the rotation of discharging.
Deballasting a double bottom has what affect on KG?（）
Reserve buoyancy is（）.
The center of the underwater volume of a floating vessel is the（）.
On a semisubmersible ship，reserve buoyancy is increased by the presence of void spaces above the waterline in the（）.