單項選擇題

The knot used to join two lines of different diameter is a（）.

A.square knot
B.carrick bend
C.becket bend
D.sheepshank

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單項選擇題

The knot at the end of the heaving line used to pass the towing hawser is called a（）.

A.monkey's fist
B.ball or baseball knot
C.heaving knot
D.three strand Turk's head

單項選擇題

he heel block is located（）.

A.at the base of the boom
B.at the cargo hook
C.near the midships guy
D.near the spider band