A.number of fishhooks
B.kink in the line
C.50% loss of efficiency of the line
D.increase in deterioration of the line
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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
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
最新試題
Manila slings should not be used to load（）.
Which knot should be used to send a man over the side when he may have to use both hands（）.
Which is standing rigging（）.
What is NOT running rigging（）.
When cutting wire rope，seizings are put on each side of the cut.The seizings prevent the wire from unlaying and also（）.
Neglecting friction，you desire to lift a 300 kgs weight with a stress on the hauling part of 100 kgs.Which of the following tackles would you use（）.
The only wire rope termination which may be made in the field is（）.
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 item is NOT required to be marked with the vessel’s name（）.