A.submerged hulls
B.quarters
C.columns and upper structure
D.submerged connecting structures
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A.fore
B.advance
C.before
D.beforehand
A.ballast
B.reserve buoyancy
C.displacement
D.rolling periods
A.or
B.and
C.nor
D.either
A.for my vessel crossing safely
B.my vessel is to cross safely
C.for my vessel to cross safely
D.for my vessel's crossing safely
A.the volume of all intact spaces above the waterline
B.an intact space below the surface of a flooded area
C.an intact space which can be flooded without causing a ship to sink
D.the space at which all the vertical upward forces of buoyancy are considered to be concentrated
最新試題
The center of the underwater volume of a floating vessel is the（）.
Keeping the draft at or below the load line mark will insure that the vessel has adequate（）.
In the absence of external forces，the center of buoyancy of an inclined vessel is vertically aligned directly below the（）.
For a floating vessel，true mean draft is always the（）.
A vessel would be referred to as tender when the weight of the cargo 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.
The average of the forward and after drafts is the（）.
The controlling depth of the river is（）.
Reserve buoyancy is（）.
After transferring a weight forward on a vessel，the draft at the center of flotation will（）.