A.take the wear should the towline drag bottom
B.assure that if the towline is overstressed it will part close to the bridle
C.prevent the towline from whipping should it part
D.put spring in the towline
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A.passes over the stern of the towing vessel
B.passes through chocks
C.is attached to the disabled vessel
D.All of the above
A.cotton
B.hemp
C.manila
D.sisal
A.greater range than high-velocity fog
B.lesser range than high-velocity fog
C.about the same range as high-velocity fog
D.greater range than a solid stream
A.eye splice
B.short splice
C.long splice
D.block splice
A.pawls
B.sockets
C.pockets
D.devil's claws
最新試題
Nylon line is better suited than manila for（）.
Manila slings should not be used to load（）.
The only wire rope termination which may be made in the field is（）.
What should you do to a line to prevent fraying where it passes over the side of the vessel（）.
When cutting wire rope，seizings are put on each side of the cut.The seizings prevent the wire from unlaying and also（）.
The rolling hitch could be used to（）．
When a line is subject to wear where it passes through a mooring chock，it should be（）.
Which knot should be used to send a man over the side when he may have to use both hands（）.
Which is NOT a part of an anchor（）.
When towing，what is the main reason for using a chain bridle on a wire hawser（）.