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


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1.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

2.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

4.單項(xiàng)選擇題Manila slings should not be used to load().

A.cotton
B.lumber
C.steel
D.tires

5.單項(xiàng)選擇題Manila lines in which the strands are right-hand laid().

A.should be coiled in a clockwise direction
B.should be coiled in a counterclockwise direction
C.may be coiled either clockwise or counterclockwise
D.should never be coiled