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
A.unoccupied space below the waterline
B.volume of intact space above the waterline
C.excess of the buoyant force over the gravity force
D.difference in the buoyant force in salt and fresh waters
A.also called GM
B.the void portion of the ship below the waterline which is enclosed and watertight
C.affected by the number of transverse watertight bulkheads
D.the watertight portion of a vessel above the waterline
A.roll period
B.metacentric height
C.waterplane area
D.vessel's draft
A.ebb tide
B.flood tide
C.spring tide
D.slack water
A.cargo
B.box
C.cargo and box
D.rate weight
最新试题
On the cargo manifest，the gross weight of a box containing cargo is the weight of the（）.
The center of flotation of a vessel is（）.
On a vessel，multiplying a load’s weight by the distance of the load’s center of gravity above the baseline results in a(n)（）.
The angle to which a floating ship，with a negative initial metacentric height，lies while at rest in still water is the angle of（）.
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.
In the absence of external forces，the center of buoyancy of an inclined vessel is vertically aligned directly below the（）.
Intact buoyancy is a term used to describe（）.
Allowance for fresh water for all freeboards other than timber 25mm. This wording is likely to appear in（）.
Deballasting a double bottom has what affect on KG?（）
For an upright vessel，draft is the vertical distance between the keel and the（）.