单项选择题
If the cause of severe list or trim is off-center ballast,counterflooding into empty tanks will().
A.increase the righting moment
B.increase the righting arm
C.increase list or trim
D.decrease list or trim
点击查看答案&解析
相关考题
-
单项选择题
If the buoyant force on a ship’s hull is equal to the displacement tonnage,the ship will().
A.require ballast
B.be down by the head
C.sink
D.float -
单项选择题
For an upright vessel,draft is the vertical distance between the keel and the().
A.waterline
B.freeboard deck
C.plimsoll mark
D.amidships section -
单项选择题
For a floating vessel,true mean draft is always the().
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
