A partly submerged vessel or object being towed，which is not readily noticeable，shall show ______.A.yellow lights at each endB.two red lights in a vertical lineC.a black ballD.a diamond shape
A partly submerged vessel or object being towed，which is not readily noticeable，shall show ______.
A.yellow lights at each end
B.two red lights in a vertical line
C.a black ball
D.a diamond shape
相关考题：
Which vessel may show three lights in a vertical line，the top and bottom being red and the middle being white?A.A vessel engaged in diving operationsB.A pilot vesselC.A vessel trawlingD.All of the above
A single vessel being towed alongside shall exhibit ______.A.one all-round white lightB.sidelights and a stern lightC.only the outboard sidelight and a stern lightD.a masthead light，sidelights，and a stern light
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
A vessel engaged in fishing，and at anchor，shall show ______.A.an anchor lightB.sidelights and a stern lightC.three lights in a vertical line，the highest and lowest being red，and the middle being whiteD.None of the above
A vessel or object being towed astern shall display a(n) ______.A.forward masthead lightB.after masthead lightC.stern lightD.All of the above
A towing vessel pushing a barge ahead and rigidly connected in a composite unit shall show the lights of ______．A.A vessel towing by pushing aheadB.A power-driven vessel，not towingC.A barge being pushed aheadD.Either answer A or answer B
If practical, when shall a manned vessel being towed sound her fog signal?______.A.Immediately before the towing vessel sounds hersB.Immediately after the towing vessel sounds hers.C.As close to the mid-cycle of the towing vessel’s signals as possibleD.At any time as long as the interval is correct
单选题A towing vessel pushing a barge ahead and rigidly connected in a composite unit shall show the lights of（）.Aa vessel towing by pushing aheadBa power-driven vessel，not towingCa barge being pushed aheadDeither answer A or answer B
单选题You should conduct a sector search under which of the following circumstances（）.AThe search target is sighted and then lostBMore than one vessel is available for a searchCThe search object is a target that will be readily detected by radarDAn aircraft is available to assist a surface vessel
单选题Which statement is TRUE concerning a towing vessel which，due to the nature of her work，is unable to keep out of the way of another vessel?（）ABy day，she shall carry a black cylinder shapeBBy day，she shall carry two black balls in a vertical lineCBy night，she would show the same lights as a vessel not under commandDBy day，she would show the same shapes as a vessel restricted in her ability to maneuver
单选题If your vessel is underway in fog and you hear one prolonged and three short blasts，this is a （）.Avessel not under commandBsailing vesselCvessel being towed (manned)Dvessel being towed (unmanned)
单选题Which vessel may show three lights in a vertical line，the top and bottom being red and the middle being white? （）AA vessel engaged in diving operationsBA pilot vesselCA vessel trawlingDAll of the above
单选题Which statement is TRUE in an overtaking situation（）.AOne vessel is approaching another vessel from more than 20° abaft the beamBIt is the duty of the vessel being overtaken to get out of the wayCAny later change of bearing between the two vessels shall not make the overtaking vessel a crossing vesselDAll of the above
单选题A single vessel being towed alongside shall exhibit（）.Aone all-round white lightBsidelights and a stern lightConly the outboard sidelight and a stern lightDa masthead light，sidelights，and a stern light
单选题A single vessel being towed alongside shall exhibit（）.Aone all-round white lightBsidelights and a sternlightConly the outboard sidelight and a sternlightDa masthead light，sidelights，and a sternlight
单选题Two barges are being pushed ahead by a tugboat.Which statement is TRUE concerning lights on the barges（）.AEach vessel should show sidelightsBEach vessel should show at least one white lightCThe barges should be lighted as separate unitsDThe barges should be lighted as one vessel
单选题A vessel engaged in fishing，and at anchor，shall show（）.Aan anchor lightBsidelights and a stern lightCthree lights in a vertical line，the highest and lowest being red，and the middle being whiteDNone of the above
单选题A vessel enagaged in fishing，and at anchor，shall show（）.Aan anchor lightBsidelights and a sternlightCthree lights in a vertical line，the highest and lowest being red，and the middle being whiteDNone of the above
单选题A vessel being towed will show（）.Aa forward masthead lightBsidelights and a sternlightCa towing lightDAll of the above
单选题A vessel aground would show the same dayshape as a（）.Avessel towing a submerged objectBdredge underway and dredgingChydrographic survey vessel at anchor and surveyingDNone of the above
单选题Which vessel would display a cone，apex downward（）.AA fishing vessel with outlying gearBA vessel proceeding under sail and machineryCA vessel engaged in diving operationsDA vessel being towed
单选题An inconspicuous，partly submerged vessel or object being towed，where the length of tow is 100 meters，shall show（）.Ayellow lights at each endBtwo red lights in a vertical lineCa black ballDa diamond shape
单选题A partly submerged vessel or object being towed，which is not readily noticeable，shall show （） .Ayellow lights at each endBtwo red lights in a vertical lineCa black ballDa diamond shape
单选题Which statement concerning maneuvering in restricted visibility is FALSE?（）.AA vessel which cannot avoid a close-quarters situation with a vessel forward of her beam shall reduce her speed to bare steeragewayBA vessel which hears a fog signal forward of her beam shall stop her enginesCA vessel which hears a fog signal forward of the beam shall navigate with cautionDIf a vessel determines by radar that a close-quarters situation is developing，she shall take avoiding action in ample time
单选题Any vessel（）any other shall keep out of the way of the vessel（）.Aovertaking／overtakenBbeing overtake／being overtakenCovertaking／being overtakenDbeing overtaking／overtaken
单选题A vessel being towed astern shall show at night（）.Athe lights required for a power-driven vessel underwayBonly the required masthead lightsCa sternlight onlyDsidelights and a sternlight
单选题A vessel or object being towed astern shall display a(n)（）.Aforward masthead lightBafter masthead lightCstern lightDAll of the above