A.the minimum depth of the river prescribed in the channel maintenance program
B.the edge of a dredged channel
C.the highest level to which the river may rise without flooding
D.the least available water in a channel which limits the draft of boats and tows
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A.center of buoyancy
B.center of flotation
C.center of gravity
D.tipping center
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
最新試題
The center of volume of the immersed portion of the hull is called the（）.
After transferring a weight forward on a vessel，the draft at the center of flotation will（）.
Owing to the big draft，the ship is not permitted to go alongside until the time of（）.
On a semisubmersible ship，reserve buoyancy is increased by the presence of void spaces above the waterline in the（）.
Intact buoyancy is a term used to describe（）.
Reserve buoyancy is the（）.
In the absence of external forces，the center of buoyancy of an inclined vessel is vertically aligned directly below the（）.
A vessel is tender if cargo weight is（）.
The average of the forward and after drafts is the（）.
On the cargo manifest，the gross weight of a box containing cargo is the weight of the（）.