A.manila
B.nylon
C.polypropylene
D.dacron
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A.increases the strength of the hook
B.prevents the sling ring from coming out of the hook if the strain is abruptly eased
C.prevents the sling ring from coming out of the hook if there is a strain on the sling ring
D.All of the above
A.square knot
B.carrick bend
C.sheet bend
D.bowline
A.square knot
B.carrick bend
C.becket bend
D.sheepshank
A.monkey's fist
B.ball or baseball knot
C.heaving knot
D.three strand Turk's head
A.at the base of the boom
B.at the cargo hook
C.near the midships guy
D.near the spider band
最新試題
Manila slings should not be used to load（）.
The rolling hitch could be used to（）．
What is the main purpose of dunnage（）.
When cutting wire rope，seizings are put on each side of the cut.The seizings prevent the wire from unlaying and also（）.
Which is normally used to hold wire rope for splicing（）.
The strongest of the natural fiber ropes is（）.
When passing a hawser to the dock you would first use what line（）.
The tackle that raises and lowers the boom is（）.
What is normally used to pass a mooring line to a dock（）.
The square knot is used for（）.