单项选择题
When anchoring，good practice requires 5 to 7 fathoms of chain for each fathom of depth. In deep water you should use（）.
A.the same ratio
B.more chain for each fathom of depth
C.less chain for each fathom of depth
D.two anchors with the same ratio of chain
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相关考题
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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 -
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
