A、A.insure that the hawser leads directly aft as it passes over the stern of the towing vessel
B、B.increase the stability of the towing vessel by raising the hawser off the deck
C、C.reduce chafing of the towing hawser
D、D.prevent fouling of the hawser on deck gear located on the stern of the towing vessel
更多“In astern towing，a tow span，also called the tow bar or towing arch，is used to（）.”相关的问题
A、vessel towing astern B、barge pushed ahead C、vessel towing astern only when the length of her tow exceeds 200 meters D、this signal does not exist in international waters
A、A.two towing lights in a vertical line B、B.a towing light in a vertical line above the sternlight C、C.two towing lights in addition to the sternlight D、D.a small white light in lieu of the sternlight
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、the masthead lights for a towing vessel B、the lights for a vessel restricted in its ability to maneuver C、sidelights，sternlight and towing light D、All of the above
A、the masthead lights for a towing vessel B、the lights for a vessel restricted in its ability to maneuver C、sidelights，stern light and towing light D、All of the above
A、only a stern light B、a towing light above the stern light C、two towing lights in a vertical line D、two white lights in a vertical line
A、two balls in a vertical line B、a diamond shape where it can best be seen C、a ball on each end of the tow D、no dayshape
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