A vessel engaged in minesweeping on the high seas carries which of the following day signals ?A.Two green balls in a vertical lineB.Two black balls in a vertical lineC.A black ball at the foretruck and yardarm endsD.A shape of two cones point to point

A vessel engaged in minesweeping on the high seas carries which of the following day signals ?

A.Two green balls in a vertical line

B.Two black balls in a vertical line

C.A black ball at the foretruck and yardarm ends

D.A shape of two cones point to point


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A power-driven fishing vessel is underway on the high seas and is not engaged in fishing. Which of the following factors determines what lights she will show?A.Whether she is normally a fishing or a trawling vesselB.Her gross tonnageC.Her lengthD.The type of gear she carries

Any illegal acts of violence,detention or any act of depredation,committed for private ends by the crew or the passengers of a private ship and directed:(a).On the high seas,against another ship or against persons or property on board such ship; or (b).Against a ship,persons or property in a place outside of the jurisdiction of any state defines which of the following?A.MutinyB.PiracyC.BarratryD.Remuneration

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A vessel sailing shall keep out of the way of all of the following vessels except a vessel ______.A.not under commandB.engaged on pilotage dutyC.restricted in her ability to maneuverD.engaged in fishing

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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On the high seas,a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a().Avessel being towedBfishing vessel engaged in trawlingCvessel at anchor warning you of her locationDpower-driven pilot vessel on station underway

单选题()is not a vessel restricted in her ability to maneuver.AA vessel engaged in laying,servicing or picking up a navigation mark,submarine cable or pipelineBA vessel engaged in dredging,surveying or underwater operationsCA vessel engaged in replenishment or transferring persons,provisions or cargo while underwayDA power driven vessel which because of her draught in relation to the available depth and width of navigation water is severely restricted in her ability to deviate from the course she is following

单选题A tank which carries liquid is dangerous to the stability of a vessel when it is().Alow in the vesselBcompletely emptyCcompletely fullDslack

单选题A vessel which through some exceptional circumstance is unable to maneuver as required by these Rules and is therefore unable to keep out of the way of another vessel is called().Aa vessel restricted in her ability to maneuverBa vessel not under commandCa vessel engaged in fishingDa vessel constrained by her draught

单选题A power-driven fishing vessel is underway on the high seas and is not engaged in fishing. Which of the following factors determines what lights she will show?().AWhether she is normally a fishing or a trawling vesselBHer gross tonnageCHer lengthDThe type of gear she carries

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单选题In()convention,a vessel which carries more than 12 passengers shall be deemed as a passenger ship.ACOSCOBSTCWCSOLASDMARPOL

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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

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