單項選擇題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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1.單項選擇題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

2.單項選擇題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

3.單項選擇題What type of stopper would you use on a nylon mooring line? （）

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

4.單項選擇題What is the purpose of the intermediate spring?（）

A.Serves as a backup for the main tow hawser in case of failure
B.Provides weight and flexibility to the total tow makeup
C.Lengthens the main tow hawser to keep the tow in step
D.Distributes the towing load

5.單項選擇題What could cause a significant difference between actual chain tension and the tension measured by the tensiometer? （）

A.The type of anchor and mooring line being used
B.The type of bottom in which the ship is anchored
C.A significant difference between air and water temperature
D.The chain contacting a chock or fairlead between the tensiometer and the lower swivel fairlead