单项选择题

When anchoring a vessel under normal conditions，which scope of chain is recommended? （）

A.Four times the depth of water
B.Two and one-half times the depth of water
C.Five to seven times the depth of water
D.Fifteen times the depth of water

<上一题目录下一题>

热门试题

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? （）

A.Chain
B.Nylon
C.Manila
D.Wire