单项选择题
When anchored，increasing the scope of the anchor chain normally serves to（）.
A.prevent fouling of the anchor B.decrease swing of the vessel C.prevent dragging of the anchor D.reduce strain on the windlass
单项选择题 What type of stopper would you use on a nylon mooring line? （）
单项选择题 What is the purpose of the intermediate spring?（）
单项选择题 What could cause a significant difference between actual chain tension and the tension measured by the tensiometer? （）
