单项选择题
A.towed sideways by an overwhelming force on the towline B.her tow moves parallel to and forward on either side of the tug C.the tow is no longer directly astern but moves up on her quarter D.All of the above
A tug is best positioned for towing and maneuvering on ...
单项选择题A tug is best positioned for towing and maneuvering on rivers and other restricted waters where wave action is limited when（）.
A.directly astern and pushing the tow B.towing on a hawser C.towing alongside and parallel to the vessel it is towing D.towing on the hip
A tug is “in irons” when held in a fixed position by（）A...
单项选择题A tug is “in irons” when held in a fixed position by（）
A.the weight of its tow，its being anchored，or grounded B.the weight of its towing hawser on the bottom C.an adverse current D.lack of power or an engine breakdown
A tug in irons is（）.A.rudder boundB.being tripped by th...
单项选择题A tug in irons is（）.
A.rudder bound B.being tripped by the towline C.unable to maneuver D.broached
