單項(xiàng)選擇題

The strongest method of forming an eye in wire rope is using（）.

A.three wire rope clamps
B.an eye splice with four or five tucks
C.a thimble fastened with four or five tucks
D.a wire rope socket attached with zinc

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單項(xiàng)選擇題

The standing part of a tackle is（）.

A.all the fall except the hauling part
B.the hook that engages the weight to be moved
C.that part to which power is applied
D.that part of the falls made fast to one of the blocks

單項(xiàng)選擇題

The square knot is used for（）.

A.forming temporary eyes in lines
B.joining two lines of equal size
C.keeping line from unlaying or fraying
D.joining two lines of different size