A.cotton
B.hemp
C.manila
D.sisal
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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
A.eye splice
B.short splice
C.long splice
D.block splice
A.pawls
B.sockets
C.pockets
D.devil's claws
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
最新試題
What is the main purpose of dunnage（）.
Which knot reduces the strength of a line by the LEAST amount（）.
Which tensioning device is used with chain to secure heavy vehicles aboard Ro-Ro vessels（）.
Which lashing materials would be used in securing light vehicles aboard Ro-Ro vessels（）.
When securing a hook to the end of a wire rope you should use（）.
When towing，what is the main reason for using a chain bridle on a wire hawser（）.
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（）.
What material may be substituted for zinc when making a poured metal socket ending to a wire rope（）.
Which is normally used to hold wire rope for splicing（）.
Which method should be used to secure a manila line to bitts（）.