單項選擇題

What is the best guide for determining the proper scope of anchor chain to use for anchoring in normal conditions?（）

A.One shot of chain for every ten feet of water
B.One shot of chain for every fifteen feet of water
C.One shot of chain for every thirty feet of water
D.One shot of chain for every ninety feet of water

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單項選擇題

What is NOT suitable for use in making up the towing rig for a heavy，long ocean tow?（）

A.Chain
B.Ring
C.Solid thimble
D.A fishplate

單項選擇題

What is an advantage of having wire rope with a fiber core over that of a wire rope of the same size with a wire core?（）

A.Fiber core rope offers greater strength
B.Fiber core rope offers greater flexibility
C.Fiber core rope can be used at higher operating temperatures
D.Fiber core rope is the only type authorized for cargo runners