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单选题
When pushing ahead，wires leading from the quarters of the after outboard barges to the bow of a towboat（）.
A
prevent the towboat from sliding when the rudder is moved
B
prevent the barges from spreading out when backing down
C
hold the towboat securely to the barges
D
prevent the sidewise movement of the face barges
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更多 “单选题When pushing ahead，wires leading from the quarters of the after outboard barges to the bow of a towboat（）.A prevent the towboat from sliding when the rudder is movedB prevent the barges from spreading out when backing downC hold the towboat securely to the bargesD prevent the sidewise movement of the face barges” 相关考题
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单选题A towboat is pushing barges ahead at a dangerously fast speed when（）.A
the towboat vibrates when backing downB
the roostertail exceeds the height of the main deckC
a strain is placed on the face wiresD
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cross-currents pushing the tow into the bar
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单选题When cutting wire rope，seizings are put on each side of the cut.The seizings prevent the wire from unlaying and also（）.A
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Forces lubricant from the core to protect the raw，cut endD
All of the above
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