单项选择题
A.Come along B.Jigger C.Rigger's screw D.Sealing clamp
When towing，what is the main reason for using a chain b...
单项选择题When towing，what is the main reason for using a chain bridle on a wire hawser（）.
A.It makes for an easy connection B.It gives a spring effect to cushion the shock C.It eliminates the necessity of a swivel D.It does not chafe
When securing a hook to the end of a wire rope you shou...
单项选择题When securing a hook to the end of a wire rope you should use（）.
A.A bowline knot B.A long splice C.An overhand knot with a wire rope clip D.Wire rope clips with a thimble eye
When riveted joints occur at the ends of plating they a...
单项选择题When riveted joints occur at the ends of plating they are called（）.
A.trailers B.terminals C.seams D.butts
