A.Continue on the same course and speed
B.Alter your course to the right
C.Slow to 8.5 knots
D.Alter your course to the left
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A.less and have less strength
B.more and have less strength
C.more and have greater strength
D.less and have greater strength
A.number of fishhooks
B.kink in the line
C.50% loss of efficiency of the line
D.increase in deterioration of the line
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
最新試題
Which knot should be used to send a man over the side when he may have to use both hands（）.
When riveted joints occur at the ends of plating they are called（）.
What should you do to a line to prevent fraying where it passes over the side of the vessel（）.
The tackle that raises and lowers the boom is（）.
When cutting wire rope，seizings are put on each side of the cut.The seizings prevent the wire from unlaying and also（）.
The strongest of the natural fiber ropes is（）.
The only wire rope termination which may be made in the field is（）.
What is meant by the term two-blocked（）.
When towing，what is the main reason for using a chain bridle on a wire hawser（）.
Which tensioning device is used with chain to secure heavy vehicles aboard Ro-Ro vessels（）.