A.the eye of the second line is dipped
B.the mooring lines are doubled
C.the bollard has two horns
D.one of the lines is a breast line
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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
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
最新試題
When towing，what is the main reason for using a chain bridle on a wire hawser（）.
What is the bow type anchor shackle primarily used for（）.
Which is normally used to hold wire rope for splicing（）.
When riveted joints occur at the ends of plating they are called（）.
What material may be substituted for zinc when making a poured metal socket ending to a wire rope（）.
What type of line melts easiest（）.
The rolling hitch could be used to（）．
Which lashing gear used aboard Ro-Ro vessels should be painted or soaked in oil when not in use（）.
Which method should be used to secure a manila line to bitts（）.
When securing a hook to the end of a wire rope you should use（）.