单项选择题
What equipment is customarily used when seamen are working on a stage rigged over the side of a vessel（）.
A.Jacob's ladder
B.Manropes
C.Heaving lines
D.All of the above
相关考题
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单项选择题
What does the term end-for-end refer to in regard to a wire towing hawser（）.
A.Cutting off the bitter and towing ends of the wire rope
B.Splicing two wire ropes together
C.Removing the wire rope from the drum and reversing it so that the towing end becomes the bitter end
D.Removing the wire rope from the drum and turning it over so that the wire bends in the opposite direction when rolled on a drum -
单项选择题
What best describes an anchor buoy（）.
A.A black ball that is hoisted when the ship anchors
B.A buoy attached to the anchor
C.A buoy attached to the scope of an anchor chain
D.A mark of the number of fathoms in an anchor chain -
单项选择题
What are the two main types of stud link chain（）.
A.Oil Rig chain and Oil Field Stud Link chain
B.Flash-butt welded chain and Di-Lok chain
C.Flash-butt welded chain and Oil Rig chain
D.Oil Field Stud Link chain and Flash-butt welded chain
