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单选题
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
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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 towB.towing on a hawserC.towing alongside and parallel to the vessel it is towingD.towing on the hip
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make the towing vessel less maneuverableD
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考题
单选题In astern towing，a tow span，also called the tow bar or towing arch，is used to（）.A
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考题
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the catenary of the tow line is reduced
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单选题A tow astern is veering from side to side on its towline. The best way of controlling the action is to（）.A
trim the tow by the bowB
trim the tow by the sternC
list the tow to windwardD
adjust the length of the towing bridle
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