A.pawls
B.sockets
C.pockets
D.devil's claws
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A.grommet
B.reinforcement
C.splice form
D.thimble
A.will not jam on the mooring line
B.is stronger
C.is easier to use when under heavy tension
D.is safer to use when under heavy tension
A.manila
B.nylon
C.polypropylene
D.dacron
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
最新試題
What material may be substituted for zinc when making a poured metal socket ending to a wire rope（）.
Which item is NOT required to be marked with the vessel’s name（）.
The tackle that raises and lowers the boom is（）.
Which lashing materials would be used in securing light vehicles aboard Ro-Ro vessels（）.
Which tensioning device is used with chain to secure heavy vehicles aboard Ro-Ro vessels（）.
The strongest of the natural fiber ropes is（）.
The only wire rope termination which may be made in the field is（）.
The rope which is rove from the truck to be used with a bos’n chair is called a（）.
What is NOT running rigging（）.
The square knot is used for（）.