A.pawls
B.sockets
C.pockets
D.devil's claws
您可能感興趣的試卷
你可能感興趣的試題
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
The rolling hitch could be used to（）．
When a line is laid down in loose，looping figure-eights，it is said to be（）.
Which is standing rigging（）.
Which lashing gear used aboard Ro-Ro vessels should be painted or soaked in oil when not in use（）.
When passing a hawser to the dock you would first use what line（）.
What is the main purpose of dunnage（）.
The strongest of the natural fiber ropes is（）.
Which tensioning device is used with chain to secure heavy vehicles aboard Ro-Ro vessels（）.
Nylon line is better suited than manila for（）.
Which is normally used to hold wire rope for splicing（）.