单项选择题
A.waterline B.freeboard deck C.plimsoll mark D.amidships section
For a floating vessel，true mean draft is always the（）.A...
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
Deballasting a double bottom has what affect on KG?（）A....
单项选择题Deballasting a double bottom has what affect on KG?（）
A.KG is increased B.KG is decreased C.KG is not affected D.KG increases at light drafts and decreases at deep drafts
Although KG for a ship in lightweight is relatively hig...
单项选择题Although KG for a ship in lightweight is relatively high，the vessel is stiff because（）.
A.KM is small B.KM is high C.BL is small D.KB is large
