Which vessel when anchored at night，would not be required to show anchor lights?A.A vessel engaged in underwater operationsB.A vessel engaged in mine clearanceC.A vessel engaged on pilotage dutyD.A vessel engaged in survey operations
Which vessel when anchored at night，would not be required to show anchor lights?
A.A vessel engaged in underwater operations
B.A vessel engaged in mine clearance
C.A vessel engaged on pilotage duty
D.A vessel engaged in survey operations
相关考题：
A pilot vessel on pilotage duty at night will show sidelights and a sternlight ______.A.when at anchorB.only when making wayC.at any time when underwayD.only when the identifying lights are not being shown
An anchored vessel on pilotage duty must show which light(s) at night?A.A sternlight onlyB.Anchor lights onlyC.A white light over a red light onlyD.A white light over a red light and anchor lights
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 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 is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE?A.During the day，she would display three balls in a vertical lineB.If making way，she would show masthead lights at nightC.If at anchor，she need not show anchor lights while displaying identifying lightsD.Her fog signal would consist of a rapid ringing of a bell for five seconds every minute
A vessel not under command making way at night would show ______.A.two all-round red lights in a vertical lineB.anchor lights and sidelightsC.two all-round white lights in a vertical line，sidelights and a stern lightD.two all-round red lights in a vertical line，sidelights，and a stern light
An overtaking situation at night would be one in which one vessel sees which light(s) of a vessel ahead ?______.A.Masthead lights and sidelightsB.One sidelight, the masthead lights and stern-lightC.Both sidelightsD.Stern-light
Concerning the identification signal for a pilot vessel, in fog, which statement is TRUE?___.A.When at anchor, the pilot vessel is only required to sound anchor signalsB.The identification signal must be sounded any time the pilot vessel is underwayC.The pilot vessel may only sound the identity signal when making wayD.All of the above
单选题A towing vessel 30 meters in length is pushing barges ahead. How many white masthead lights is the vessel REQUIRED to show at night?（）AOneBTwoCThreeDFour
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Concerning the identification signal for a pilot vessel，in fog，which statement is TRUE?（）AWhen at anchor，the pilot vessel is only required to sound anchor signalsBThe identification signal must be sounded any time the pilot vessel is underwayCThe pilot vessel may only sound the identity signal when making wayDAll of the above
单选题A power-driven vessel not under command at night must show her sidelights when（）.Amaking headwayBmaking no headwayCmoored to a buoyDat anchor
单选题A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE? （）ADuring the day，she would display three balls in a vertical lineBIf making way，she would show masthead lights at nightCIf at anchor，she need not show anchor lights while displaying identifying lightsDHer fog signal would consist of a rapid ringing of a bell for five seconds every minute
单选题You are on watch at night in clear visibility and the vessel has just been anchored.The first thing that you should do after the anchor has been let go is to（）.Astop the enginesBturn off the running lights and turn on the anchor lightsCtake at least two bearings of prominent shore lightsDlower the accommodation ladder and illuminate it
单选题A vessel not under command making way at night would show（）.Atwo all-round red lights in a vertical lineBanchor lights and sidelightsCtwo all-round white lights in a vertical line，sidelights and a stern lightDtwo all-round red lights in a vertical line，sidelights，and a stern light
单选题A vessel，which does not normally engage in towing operations，is towing a vessel in distress.She（）.Aneed not show the lights for a vessel engaged in towing，if it is impractical to do soBmay show the lights for a vessel not under commandCmust show a yellow light above the stern lightDmust show the lights for a vessel towing
单选题An anchored vessel on pilotage duty must show which light(s) at night? （）AA sternlight onlyBAnchor lights onlyCA white light over a red light onlyDA white light over a red light and anchor lights
单选题A pilot vessel on pilotage duty at night will show sidelights and a sternlight （）.Awhen at anchorBonly when making wayCat any time when underwayDonly when the identifying lights are not being shown
单选题A vessel constrained by her draft may display（）.Athree all-round red lights instead of the lights required for a power-driven vessel of her classBthe same lights as a vessel restricted in her ability to maneuverCthree all-round red lights in addition to the lights required for a power-driven vessel of her classDthe lights for a power-driven vessel which is not under command
单选题An overtaking situation at night would be one in which one vessel sees which light(s) of a vessel ahead?（）AMasthead lights and sidelightsBOne sidelight，the masthead lights and stern lightCBoth sidelightsDStern light
单选题A vessel shall be deemed to be overtaking when she can see at night（）.Aonly the sternlight of the vesselBa sidelight and one masthead light of the vesselConly a sidelight of the vesselDany lights except the masthead lights of the vessel
单选题Which vessel when anchored at night，would not be required to show anchor lights? （）AA vessel engaged in underwater operationsBA vessel engaged in mine clearanceCA vessel engaged on pilotage dutyDA vessel engaged in survey operations
单选题A pilot vessel on pilotage duty at night will show sidelights and a stern light （）.Awhen at anchorBonly when making wayCat any time when underwayDonly when the identifying lights are not being shown
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An anchored vessel is servicing an aid to navigation and is restricted in her ability to maneuver. Which lights will she show? （）AThree lights in a vertical line，the highest and lowest red and the middle white，and anchor lightsBThree lights in a vertical line，the highest and lowest red and the middle white，ONLYCAnchor lights ONLYDAnchor lights and sidelights ONLY
单选题Which vessel，when anchored at night，is NOT required to show anchor lights?（）.AA power-driven vesselBA vessel engaged on pilotage dutyCA vessel dredgingDA vessel restricted in her ability to maneuver
单选题A vessel aground at night is required to show two red lights in a vertical line as well as （）.Anot under command lightsBrestricted in her ability to maneuver lightsCanchor lightsDsidelights and a sternlight