單項(xiàng)選擇題The rope which is rove from the truck to be used with a bos’n chair is called a（）.

A.gantline
B.life line
C.strop
D.whip


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1.單項(xiàng)選擇題The rolling hitch could be used to（）.

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

2.單項(xiàng)選擇題The purpose of a devil’s claw is to（）.

A.act as a chain stopper
B.prevent the windlass from engaging
C.prevent the chain from fouling on deck
D.control the wildcat

3.單項(xiàng)選擇題The only wire rope termination which may be made in the field is（）.

A.swaged socket
B.thimbled mechanical splice
C.hand splice
D.spelter poured and resin sockets

4.單項(xiàng)選擇題The main function of the core of a wire rope is to（）.

A.give flexibility
B.support the strands laid around it
C.allow some circulation around the strands
D.allow lubrication inside the rope