A.increase reserve buoyancy B.decrease the righting moments C.decrease KG D.increase KM
单项选择题Although KG for a vessel 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
单项选择题In the absence of external forces,adding weight on one side of a floating vessel causes the vessel to().
A.heel until the angle of loll is reached B.list until the center of buoyancy is aligned vertically with the center of gravity C.trim to the side opposite TCG until all moments are equal D.decrease draft at the center of flotation
单项选择题In the absence of external forces,the center of gravity of a floating vessel is located directly above the().
A.metacenter B.amidships C.center of flotation D.geometric center of the displaced volume
单项选择题The ship’s draught forward is same as her draught aft.This condition is named as().
A.even keel B.even trim C.even draught D.even float
单项选择题The ship’s draught forward is slightly deeper than the draught aft.This condition is called()in shipping terms.
A.trim by the head B.trim by the stern C.even keel D.drafts different