單項(xiàng)選擇題An ocean towing bridle should（）.

A.have equal legs of sufficient length
B.have a large angle between the legs
C.be formed on a bight of cable through a ring
D.never be made up of chain


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1.單項(xiàng)選擇題A tow bridle is attached to the main tow hawser at the（）.

A.bight ring
B.tow hook
C.fishplate
D.swivel

2.單項(xiàng)選擇題A term used to describe the dip in a towline that acts as a shock absorber is（）.

A.catenary
B.step
C.shock dip
D.bight

4.單項(xiàng)選擇題A shroud is（）.

A.a light sail
B.a topmast stay
C.a sheet
D.standing rigging

5.單項(xiàng)選擇題A sheepshank is used to（）.

A.keep a line from fraying
B.join lines of unequal size
C.stop off a line
D.shorten a line