A.increase the righting moment
B.increase the righting arm
C.increase list or trim
D.decrease list or trim
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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
A.KG is increased
B.KG is decreased
C.KG is not affected
D.KG increases at light drafts and decreases at deep drafts
A.KM is small
B.KM is high
C.BL is small
D.KB is large
最新試題
Although KG for a ship in lightweight is relatively high，the vessel is stiff because（）.
Owing to the big draft，the ship is not permitted to go alongside until the time of（）.
For a floating vessel，true mean draft is always the（）.
On a semisubmersible ship，reserve buoyancy is increased by the presence of void spaces above the waterline in the（）.
Some cargoes are（）in weight but（）in size.
The angle to which a floating ship，with a negative initial metacentric height，lies while at rest in still water is the angle of（）.
After transferring a weight forward on a vessel，the draft at the center of flotation will（）.
The center of flotation of a vessel is（）.
The difference between the initial trim and the trim after loading is known as（）.
Shifting weight aft in heavy weather will reduce the tendency to yaw，but may increase the tendency to（）.