Do You Know About The Seas And Vessels? Take This Quiz!

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Do You Know About The Seas And Vessels? Take This Quiz!

For one to operate at sea they must be determined or know how to prevent collisions at sea with other objects. The midterm quiz below is set in a way that they will help you be better prepared for the coming exam. Give it a try and all the best!


Questions and Answers
  • 1. 
    The sound signal for a vessel operating in astern propulsion is
    • A. 

      Three prolonged blasts

    • B. 

      Two short blasts

    • C. 

      Three short blasts

    • D. 

      One short blast

  • 2. 
    What dayshape would be exhibited by a vessel aground
    • A. 

      Two black balls

    • B. 

      Three black balls

    • C. 

      One black ball

    • D. 

      Four black balls

  • 3. 
    Which vessel may carry her sidelights and sternlight in one combined lantern
    • A. 

      A 10 meter sailing vessel

    • B. 

      A 10 meter power driven vessel

    • C. 

      A 15 meter vessel propelled by sail and machine

    • D. 

      All of the above

  • 4. 
    The three all round green lights exhibited at or near the foremast head and attach end of the foreyard, indicate that it is dangerous for another vessel to approach within how many meters from this vessel.
    • A. 

      100 meters

    • B. 

      200 meters

    • C. 

      500 meters

    • D. 

      1000 meters

  • 5. 
    A vessel engaged in fishing must display a light in the direction of any gear extends outward more than 150 meters. The color of this light is:
    • A. 

      Green

    • B. 

      Yellow

    • C. 

      White

    • D. 

      Red

  • 6. 
    Vessel constrained by her draught must exhibit where they can best be seen
    • A. 

      Two all round red lights in a vertical line

    • B. 

      Three all round white lights in a vertical line

    • C. 

      Three all round red lights in a vertical line

    • D. 

      None of the above

  • 7. 
    When psuhing vessel and a vessel being pushed ahead are rigidly connected in composite unit they shall  exhibit the lights for.
    • A. 

      P.D.V.

    • B. 

      Pushing vessel

    • C. 

      Towing vessel

    • D. 

      Any of the above

  • 8. 
    A vessel engaged in trawling will show identification lights:
    • A. 

      A green over a white light

    • B. 

      A red over a white light

    • C. 

      A white over a red light

    • D. 

      Two red lights in a vertical line

  • 9. 
    As defined in the navigation rules, a masthead light shows through an arc of how many degrees?
    • A. 

      112.5 degrees

    • B. 

      90 degrees

    • C. 

      225 degrees

    • D. 

      360 degrees

  • 10. 
    The masthead light may be located at other than fore and aft centerline of a vessel:
    • A. 

      Less than 20 meters in length

    • B. 

      Engaged in fishing

    • C. 

      Less than 12 meters in length

    • D. 

      Which separate carried on the outward

  • 11. 
    In what instance is the yellow light of the towing vessel is placed above the stern light?
    • A. 

      The vessel being towed is an oil tanker

    • B. 

      The towing vessel has run out of white bulb

    • C. 

      The vessel being towed is a submarine

    • D. 

      The vessel is towing astern

  • 12. 
    A vessel being towed astern, where the length of the two exceeds 200 meters will exhibit:
    • A. 

      A ball on each end of the tow

    • B. 

      A diamond shape where it can best be seen

    • C. 

      Two balls in a vertical line

    • D. 

      No day shape

  • 13. 
    You are approaching a vessel dredging by day and see two balls in vertical line on the port side of the dredge. These shapes mean:
    • A. 

      You should pass on her port side

    • B. 

      She is not under command

    • C. 

      There is an obstruction on her port side

    • D. 

      She is moored

  • 14. 
    A pilot vessel on pilotage duty at night will show sidelights and a sternlight
    • A. 

      Only when making way

    • B. 

      At anytime when underway

    • C. 

      When at anchor

    • D. 

      Only when identifying light

  • 15. 
    Length of vessel, when aground are not required to exhibit the lights prescribed in rule 30 d i and ii
    • A. 

      Less than 7 meters

    • B. 

      Less than 12 meters

    • C. 

      Less than 50 meters

    • D. 

      50 meters and more

  • 16. 
    The masthead light of a vessel less than 12 meters in length should be visible at:
    • A. 

      3 nautical mile

    • B. 

      1 nautical mile

    • C. 

      2 nautical mile

    • D. 

      4 nautical mile

  • 17. 
    In day time a 19 meters vessel underway and fishing with nets or lines, may indicate her occupation by displaying
    • A. 

      A black or white vertically stripped ball

    • B. 

      A basket

    • C. 

      2 black cones apex together

    • D. 

      A black ball

  • 18. 
    In what condition of visibility may be danger signal be sounded.
    • A. 

      In fog

    • B. 

      Clear visibility

    • C. 

      Zero visibility

    • D. 

      Any condition of visibility

  • 19. 
    You are backing out of a slip in international water and can be seen by an approaching vessel. Which of the following would you give?
    • A. 

      One prolonged blast

    • B. 

      Three short blast

    • C. 

      Three prolonged blast

    • D. 

      One short one prolonged and one short

  • 20. 
    Which statement is true concerning a vessel under oars?
    • A. 

      She must show a stern light

    • B. 

      She must show a fixed all round light

    • C. 

      She is allowed to show the same lights as a sailing vessel

    • D. 

      She must show a day shape of a black cone

  • 21. 
    At sea you sight a vessel displaying a black conical shape, point downward. This would indicate:
    • A. 

      A vessel engaged in fishing

    • B. 

      A power driven vessel

    • C. 

      Both a and b

    • D. 

      Neither a and b

  • 22. 
    Which vessel would exhibit sidelights when underway and not making way?
    • A. 

      Vessel not under command

    • B. 

      A pilot vessel

    • C. 

      A vessel engaged in dredging

    • D. 

      A vessel trawling

  • 23. 
    Two all round red lights displayed in a vertical line are shown by a:
    • A. 

      Vessel being towed

    • B. 

      Vessel aground

    • C. 

      Vessel not under command

    • D. 

      Vessel at anchor

  • 24. 
    Which of the following vessels, when anchored at night would not be required to show anchor light?
    • A. 

      A vessel engaged in pilotage duty

    • B. 

      A power driven vessel

    • C. 

      A vessel dredging

    • D. 

      A vessel restricted in her ability to maneuver

  • 25. 
    What is the time interval between signals shall the fog signal be sounded?
    • A. 

      Not less than 1 minute

    • B. 

      Not more than 1 minute

    • C. 

      Not less than 2 minutes

    • D. 

      Not more than 2 minutes

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