A.average of the observed drafts
B.draft at the center of flotation
C.draft corresponding to the calculated displacement
D.mean of the calculated drafts
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A.KG is increased
B.KG is decreased
C.KG is not affected
D.KG increases at light drafts and decreases at deep drafts
A.KM is small
B.KM is high
C.BL is small
D.KB is large
A.INTERNATIONAL LOAD LINE CERTIFICATE
B.PASSENGER SHIP SAFETY CERTIFICATE
C.CARGO SHIP SAFETY CONSTRUCTION CERTIFICATE
D.GENERAL DECLARATION
A.change，depending on the location of the LCG
B.increase
C.decrease
D.remain constant
A.TCG
B.transverse moment
C.righting moment
D.transverse free surface moment
最新試題
A vessel is tender if cargo weight is（）.
Reserve buoyancy is the（）.
The center of buoyancy is located at the（）.
Although KG for a ship in lightweight is relatively high，the vessel is stiff because（）.
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.
Keeping the draft at or below the load line mark will insure that the vessel has adequate（）.
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（）.
For a floating vessel，true mean draft is always the（）.