单选题A chain bridle is used when towing astern because it（）.Ais easy to connectBprovides an effective catenary and absorbs shock due to its weightCmakes rigging a swivel unnecessaryDprevents the tow from yawing by the drag of the chains in a seaway
单选题
A chain bridle is used when towing astern because it（）.
A
is easy to connect
B
provides an effective catenary and absorbs shock due to its weight
C
makes rigging a swivel unnecessary
D
prevents the tow from yawing by the drag of the chains in a seaway
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A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall，when making way，exhibit ______.A.the masthead lights for a towing vesselB.the lights for a vessel restricted in its ability to maneuverC.sidelights，stern light and towing lightD.All of the above
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单选题An ocean towing bridle should（）.Ahave equal legs of sufficient lengthBhave a large angle between the legsCbe formed on a bight of cable through a ringDnever be made up of chain
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单选题What is used to prevent twisting of a towing bridle?（）AA bittBA bulkheadCA V-springDA fishplate
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单选题A power-driven vessel，when towing astern，shall show（）.Atwo towing lights in a vertical lineBa towing light in a vertical line above the sternlightCtwo towing lights in addition to the sternlightDa small white light in lieu of the sternlight
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