單項選擇題A sail hook is used for（）.
A.hoisting a windsail
B.parcelling
C.sewing canvas
D.testing canvas
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1.單項選擇題A rolling hitch can be used to（）.
A.make a temporary eye
B.mouse a hook
C.secure a line around a spar
D.shorten a line
2.單項選擇題A J-chaser is used to（）.
A.transfer a pennant wire to the anchor handling vessel
B.clean chain as it is hauled into the rig
C.lower spring buoys into the water
D.retrieve an anchor after the buoy has been lost
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The strongest method of forming an eye in wire rope is using（）.
題型：單項選擇題
After deploying the anchor，a permanent chain chaser is（）.
題型：單項選擇題
The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward. This is the signal to（）.
題型：單項選擇題
The size of wire rope is determined by the（）.
題型：單項選擇題
The only wire rope termination which may be made in the field is（）.
題型：單項選擇題