A.fore
B.advance
C.before
D.beforehand
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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
A.center of gravity
B.amidships station
C.center of flotation
D.geometric center of the waterplane area
最新試題
Intact buoyancy is a term used to describe（）.
Some cargoes are（）in weight but（）in size.
It’ll affect neither the draft（）the rotation of discharging.
Allowance for fresh water for all freeboards other than timber 25mm. This wording is likely to appear in（）.
Keeping the draft at or below the load line mark will insure that the vessel has adequate（）.
The center of flotation of a vessel 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（）.
If the buoyant force on a ship’s hull is equal to the displacement tonnage，the ship will（）.
In the absence of external forces，the center of buoyancy of an inclined vessel is vertically aligned directly below the（）.