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单选题
A single towing light will be carried above a vessel’s sternlight（）.
A
only if she is towing astern
B
only if the tow exceeds 200 meters
C
at any time when towing
D
if the towing vessel is part of a composite unit
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考题
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考题
单选题You are on a vessel that cannot comply with the spacing requirement for masthead lights.What is required in this situation（）.A
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The vessel must be altered to permit full compliance with the rulesD
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考题
单选题A towing light is（）.A
shown below the stern lightB
white in colorC
displayed at the mastheadD
a yellow light having the same characteristics as the stern light
考题
单选题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
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考题
单选题A vessel towing a barge astern would show，at the stern（）.A
only a stern lightB
a towing light above the stern lightC
two towing lights in a vertical lineD
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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
insure that the hawser leads directly aft as it passes over the stern of the towing vesselB
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prevent fouling of the hawser on deck gear located on the stern of the towing vessel
考题
单选题A single vessel being towed alongside shall exhibit（）.A
one all-round white lightB
sidelights and a stern lightC
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a masthead light，sidelights，and a stern light
考题
单选题A towing light is（）.A
shown at the bowB
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考题
单选题A vessel，which does not normally engage in towing operations，is towing a vessel in distress.She（）.A
need not show the lights for a vessel engaged in towing，if it is impractical to do soB
may show the lights for a vessel not under commandC
must show a yellow light above the stern lightD
must show the lights for a vessel towing
考题
单选题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，sternlight and towing lightD
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考题
单选题A situation has occurred in which your vessel must be towed. When the towing vessel passes the towing line to you，you should secure the line（）.A
to the base of the foremastB
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to the forward part of the deckhouseD
at the stern
考题
单选题An overtaking situation at night would be one in which one vessel sees which light(s) of a vessel ahead?（）A
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One sidelight，the masthead lights and stern lightC
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考题
单选题A vessel is overtaking when she can see which light(s) of a vessel ahead?（）A
Only the stern light of the vesselB
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考题
单选题A 20-meter power-driven vessel pushing ahead or towing alongside will display（）.A
a single white light forwardB
two masthead lights in a vertical lineC
two towing lights in a vertical lineD
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考题
单选题A power-driven vessel，when towing astern，shall show（）.A
two towing lights in a vertical lineB
a towing light in a vertical line above the sternlightC
two towing lights in addition to the sternlightD
a small white light in lieu of the sternlight
考题
单选题A vessel aground would show the same dayshape as a（）.A
vessel towing a submerged objectB
dredge underway and dredgingC
hydrographic survey vessel at anchor and surveyingD
None of the above
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单选题A METHOD OF TOWING VESSELS THROUGH POLAR ICE BY MEANS OF ICEBREAKING TUGS WITH A SPECIAL STERN NOTCH SUITED TO RECEIVE AND HOLD THE BOW OF THE VESSEL TO BE TOWED defines（）.A
Towing operationsB
Rigid coupled towingC
Close coupled towingD
Hard coupled towing
考题
单选题A towing vessel and her tow are severely restricted in their ability to change course. When making way，the towing vessel will show ONLY（）.A
the masthead lights for a towing vesselB
the lights for a vessel restricted in her ability to maneuverC
sidelights，stern light，and towing lightD
All of the above
考题
单选题How does an icebreaker normally free a ship which has become beset while navigating independently?（）A
By backing down the track and cutting out ice on either bowB
By approaching from the stern and crossing ahead at an angle of 20°to 30°to the beset ship's courseC
By overtaking the beset ship，running ahead and then backing down the track to the beset vesselD
By approaching the vessel from astern and towing the beset vessel stern first
考题
单选题A towing light is（）.A
shown below the sternlightB
white in colorC
displayed at the mastheadD
a yellow light having the same characteristics as the stern light
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