A.center of gravity
B.amidships station
C.center of flotation
D.geometric center of the waterplane area
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A.a little deeper aft
B.a little deeper forward
C.at the same draught between fore and aft
D.a balance between two sides
A.increase the righting moment
B.increase the righting arm
C.increase list or trim
D.decrease list or trim
A.require ballast
B.be down by the head
C.sink
D.float
A.waterline
B.freeboard deck
C.plimsoll mark
D.amidships section
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
最新試題
Keeping the draft at or below the load line mark will insure that the vessel has adequate（）.
The center of buoyancy is located at the（）.
In practice，it is usual for the ship to be loaded（）to improve the vessel’s movement through the water.
For an upright vessel，draft is the vertical distance between the keel and the（）.
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.
For a floating vessel，true mean draft is always the（）.
If the buoyant force on a ship’s hull is equal to the displacement tonnage，the ship will（）.
Deballasting a double bottom has what affect on KG?（）
Shifting weight aft in heavy weather will reduce the tendency to yaw，but may increase the tendency to（）.
It’ll affect neither the draft（）the rotation of discharging.