单项选择题
A.removing loose water B.adding weight low in the vessel C.closing crossover valves between partly filled double bottom tanks D.All of the above
A.insure that the hawser leads directly aft as it passes over the stern of the towing vessel B.increase the stability of the towing vessel by raising the hawser off the deck C.reduce chafing of the towing hawser D.prevent fouling of the hawser on deck gear located on the stern of the towing vessel
A.increase the righting moment B.cause an increase in the righting arm C.bring the vessel to an upright equilibrium position D.cause the vessel to flop to a greater angle