A.the minimum B.to little amount C.the maximum D.to great amount
单项选择题Bilge keels are more effective at dampening rolls as the().
A.pitching increases B.list increases C.rolling increases D.draft decreases
单项选择题Before counterflooding to correct a list,you must be sure the list is due to().
A.negative GM B.flooding C.off-center weight D.reserve buoyancy
单项选择题At an angle of loll,the righting arm (GZ) is().
A.maximum B.negative C.positive,but reflexive D.zero
单项选择题At an angle of loll,the capsizing moment is().
A.maximum B.negative C.positive D.zero
单项选择题At all angles of inclination,the metacenter is().
A.vertically above the center of buoyancy B.vertically above the center of gravity C.at the intersection of the upright vertical centerline and the line of action of the buoyant force D.at the geometric center of the underwater volume