A、acts as a reserve length of towing hawser when the tug applies more power，and it dampens the surge effect of the tow
B、gives an approximation of the amount of strain on the towing hawser
C、is the dip in the towing hawser between the tug and the tow
D、All of the above
更多“The catenary（）.”相关的问题
A、A.The catenary in a hawser should be sufficient so that the hawser just touches the bottom B、B.The hawser is of sufficient length for towing when taut between tug and tow C、C.Increasing speed usually increases the catenary in the hawser D、D.Shortening the tow hawser generally decreases the maneuverability of the tug
A、increase the towing hawser's catenary and provide more spring B、reduce catenary，allow operation in shallower water，and to release one barge without breaking up the entire tow C、enable one tug and its crew without any outside assistance to make up or break down the tow D、provide rapid delivery of logs from the northwestern United States to Hawaiian sawmills
A、the catenary dragging on the bottom B、swamping of the tow C、the tow tending to dive D、yaw
A、a short bridle B、the downward curvature of the hawser C、another name for a pelican hook D、used to hold it amidships
A、increase fatigue life of the system B、reduce the time to retrieve the line C、increase the holding power D、reduce the catenary
A、increase control of the tow B、prevent the towing vessel from going in irons C、make the towing vessel less maneuverable D、reduce shock stress on the towing hawser
A、shorten the hawser or increase the tug's speed B、lengthen the hawser or reduce the tug's speed C、place your tug in irons D、make a sharp turn
A、amount of chain lying along the bottom increases B、length of the catenary is reduced C、mooring line tension is increased D、amount of chain lying along the bottom decreases
A、A.ability of the anchors to hold in a seabed B、B.anchor chain catenary length C、C.variability of the fairlead D、D.angle of the flukes
客服
TOP
查看正确答案
