A vessel showing a yellow light over a white light at night is a vessel（）.

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• Your vessel is crossing a narrow channel.A vessel to port is within the channel and crossing your course.She is showing a black cylinder.What is your responsibility?（）

  A . hold your course and speed B . sound the danger signal C . begin an exchange of passing signals D . do not cross the channel if you might impede the other vessel

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• During the day，a vessel with a tow over 200 meters in length will show（）.

  A . a black ball B . a diamond shape C . two cones，apexes together D . one cone，apex upward

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• A vessel engaged in fishing，and at anchor，shall show（）.

  A . an anchor light B . sidelights and a stern light C . three lights in a vertical line，the highest and lowest being red，and the middle being white D . None of the above

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• A head-on situation at night is one in which you see dead ahead a vessel showing（）.

  A . one sidelight B . one sidelight and a masthead light C . one sidelight and two masthead lights D . both sidelights of a vessel and her masthead light(s)

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• On your vessel，a wire rope for the cargo gear shows signs of excessive wear and must be replaced. In ordering a new wire for this 10-ton boom，what safety factor should you use?（）

  A . Three B . Five C . Six D . Seve

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• In the daytime，you see a large sailing vessel on the beam. You know that she is also propelled by machinery if she shows（）.

  A . a basket B . a black ball C . a black cone D . two black cone

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• A vessel towing is showing three forward white masthead lights in a vertical line. This means that the length of the（）.

  A . towing vessel is less than 50 meters B . towing vessel is greater than 50 meters C . tow is less than 200 meters D . tow is greater than 200 meter

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• A vessel showing a green light over a white light in a vertical line above the level of the sidelights is（）.

  A . engaged in underwater construction B . under sail and power C . a pilot vessel D . trawling

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• A vessel has been damaged by fire. The survey shows the cost of repairs will exceed the value of the repaired vessel. This is an example of a(n)（）.

  A . constructive total loss B . salvage loss C . actual loss D . preferred lo

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• A vessel conducting mine clearing operations will show（）.

  A . three balls in a vertical line B . two balls in a vertical line C . one ball near the foremast and one ball at each fore yard D . one diamond near the foremast head and one ball at each fore yard

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• A vessel aground at night is required to show two red lights in a vertical line as well as （）.

  A . not under command lights B . restricted in her ability to maneuver lights C . anchor lights D . sidelights and a sternlight

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• A vessel engaged in fishing during the day would show（）.

  A . one black ball B . two cones with bases together C . a cone，apex downward D . two cones，apexes together

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• A power-driven vessel towing another vessel astern (tow less than 200 meters) shall show （）.

  A . three masthead lights in a vertical line instead of either the forward or after masthead light B . two masthead lights in a vertical line instead of either the forward or after masthead lights C . two towing lights in a vertical line at the stern D . a small white light aft of the funnel

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• A power-driven vessel，when towing astern，shall show（）.

  A . two towing lights in a vertical line B . a towing light in a vertical line above the sternlight C . two towing lights in addition to the sternlight D . a small white light in lieu of the sternlight

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• The Light List shows a lighted aid to navigation on the left bank. This means that the light can be seen on the starboard side of a vessel（）.

  A . ascending the river B . descending the river C . crossing the river D . proceeding towards sea

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• A vessel showing a rigid replica of the International Code flag “A” is engaged in（）.

  A . diving operations B . dredging C . fishing D . mineclearance operatio

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• 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 ahead B . a power-driven vessel，not towing C . a barge being pushed ahead D . either answer A or answer B

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• A vessel towing a barge astern would show，at the stern（）.

  A . only a stern light B . a towing light above the stern light C . two towing lights in a vertical line D . two white lights in a vertical line

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• 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 vessel B . the lights for a vessel restricted in her ability to maneuver C . sidelights，stern light，and towing light D . All of the above

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• At night，a vessel shall indicate that she is restricted in her ability to maneuver by showing in a vertical line two（）.

  A . red lights B . red lights and two white lights C . red lights with a white light in between D . white lights with a red light in betwee

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• You see a vessel displaying three lights in a vertical line.The highest and lowest lights are red and the middle light is white.She is also showing a white light at the stern，which is lower than the forward light.It could be a（）.

  A . Survey vessel B . Vessel not under command C . Vessel aground D . Pilot vessel with port side to you

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• A pilot vessel on pilotage duty at night will show sidelights and a stern light （）.

  A . when at anchor B . only when making way C . at any time when underway D . only when the identifying lights are not being show

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• A vessel fishing at night，with gear extending more than 150 meters horizontally outwards，will show in the direction of the gear（）.

  A . one white light B . two vertical white lights C . one yellow light D . two vertical yellow light

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• At night you observe a vessel ahead show three flashes of a white light. This signal indicates that the vessel ahead is（）.

  A . in distress B . approaching a bend in the channel C . operating astern propulsion D . intending to overtake another vessel

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