A.join two lines of different sizes
B.join two lines of equal sizes
C.add strength to a weak spot in a line
D.act as a stopper to transfer a line under strain
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A.act as a chain stopper
B.prevent the windlass from engaging
C.prevent the chain from fouling on deck
D.control the wildcat
A.swaged socket
B.thimbled mechanical splice
C.hand splice
D.spelter poured and resin sockets
A.give flexibility
B.support the strands laid around it
C.allow some circulation around the strands
D.allow lubrication inside the rope
A.Gun tackle
B.Luff tackle
C.Two-fold tackle
D.Double-luff tackle
A.cotton
B.lumber
C.steel
D.tires
最新試題
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?（）.
Extended cyclical variations in tensions will cause an anchor chain to break due to（）.
The only wire rope termination which may be made in the field is（）.
Manila lines in which the strands are right-hand laid（）.
The purpose of a devil’s claw is to（）.
A whipping is（）.
The rope which is the lightest is（）.
Chafing gear is used to（）.
The main function of the core of a wire rope is to（）.
Cribbing is（）.