121 Colregs Midterm Quiz B 70

70 Questions | Total Attempts: 628

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Midterm Quizzes & Trivia

Midterm


Questions and Answers
  • 1. 
    You are heading due north and observed a vessel's green light on your port beam, the vessel may be heading
    • A. 

      Northward

    • B. 

      Southward

    • C. 

      Eastward

    • D. 

      Westward

  • 2. 
    In restricted visibility you heard a sound signal of one long blast followed by four short blasts, what type of vessel she is
    • A. 

      Power driven vessel

    • B. 

      Pilot vessel

    • C. 

      Not under command vessel

    • D. 

      Restricted ability to maneuver vessel

  • 3. 
    What is the range of visibility of an inconspicuous, partly sumerged vessel being towee
    • A. 

      1 mile

    • B. 

      2 miles

    • C. 

      Not required

    • D. 

      3 miles

  • 4. 
    What is the range of visibility of the side lights for a vessel 8 meters in lenght
    • A. 

      3 miles

    • B. 

      2 miles

    • C. 

      1 mile

    • D. 

      0.5 miles

  • 5. 
    You detected a vessel 22.5 degrees forward of the beam by radar in restricted visibility, what will be your best action
    • A. 

      Reduce speed

    • B. 

      Turn to starboard

    • C. 

      Sound one short blast on the whistle

    • D. 

      Maintain course and spee

  • 6. 
    What day shape is to be shown for a vessel constrained by draft making watc
    • A. 

      Black cylinder

    • B. 

      Three black ball in vertical

    • C. 

      Not required, considering its making way

    • D. 

      Two black balls in vertical

  • 7. 
    You are a vessel aground, what additional signal shall be sounded to distinguish you from an achored vessel
    • A. 

      3 strikes on the gong after 3 strikes on the bell

    • B. 

      One long blast on the whistle followed by a bell for 5 seconds

    • C. 

      3 strikes before and after a rapid ringing of the bell

    • D. 

      Bell for 5 seconds forward and 5 seconds by gong aft

  • 8. 
    What are the lights to be shown by a vessel towing a barge alongside
    • A. 

      Same as power driven vessel

    • B. 

      Same as vessel towing of its length

    • C. 

      Three aft masthead lights in vertical

    • D. 

      A yellow tow light at the mast

  • 9. 
    What is the maximum lenght of the vessel prescribed to exhibit a combine lantern
    • A. 

      50 meters

    • B. 

      Less than 50 meters

    • C. 

      20 meters

    • D. 

      Less than 20 meters

  • 10. 
    A power driven vessel whose lenght is 55 meters towing another vessel where the lenght of tow is 150 meters, count the number of lights to be shown by the towing vessel
    • A. 

      7 lights

    • B. 

      5 lights

    • C. 

      6 lights

    • D. 

      8 lights

  • 11. 
    Which of the following is not a requirement for a vessel navigating near an area of restricted visibility
    • A. 

      She shall have her engines ready for immediate maneuver

    • B. 

      She must sound an appropriate maneuvering signal

    • C. 

      She must determined if risk of collision exists using the radar

    • D. 

      She shall exhibit the appropriate light for its purpose

  • 12. 
    You heard a gond sounded by a vessel at anchor, what is the lenght of the vessel using it
    • A. 

      120 meters

    • B. 

      70 meters

    • C. 

      36 meters

    • D. 

      96 meters

  • 13. 
    As officer on watch, what sound signal would be sounded if you are underway but stopped on the water
    • A. 

      1 long blast

    • B. 

      2 long blasts

    • C. 

      1 short blast

    • D. 

      1 long, 2 short blasts

  • 14. 
    What will be the best action to take when you hear a for signal of another vessel forward of your port beam in fog
    • A. 

      Maintain course and speed

    • B. 

      Turn to port

    • C. 

      Turn to starboard

    • D. 

      Reduced speed

  • 15. 
    What is the characteristic of a yellow light
    • A. 

      Arc of visibility is 112.5 degrees

    • B. 

      120 or more flashes per minute

    • C. 

      Same as stern light

    • D. 

      White light, visible at 135 degrees

  • 16. 
    From your radar position you are 1 mile from the other vessel and her side lights is visible, what is the approximate lenght of the vessel
    • A. 

      Less than 12 meters

    • B. 

      20 to 50 meters

    • C. 

      50 meters or more

    • D. 

      No specified lenght

  • 17. 
    Using your binocular you observed a vessel forward of your beam showing a black cone apex up, what type of vessel she is
    • A. 

      Power driven vessel

    • B. 

      Sailing vessel propelled by machinery

    • C. 

      Towing vessel

    • D. 

      Vessel engaged in fishing

  • 18. 
    What type of vessel exhibit a yellow light with the same characteristics as stern light in addition to the navigational lights
    • A. 

      Tugboat

    • B. 

      Any vessel able to tow

    • C. 

      Power driven vessel

    • D. 

      Non displacement craft

  • 19. 
    What is the lenght of the sailing vessel exhibiting red over green in vertical on its mast
    • A. 

      Less than 12 meters

    • B. 

      More than 50 meters

    • C. 

      Less than 20 meters

    • D. 

      Less than 50 meters

  • 20. 
    What will be the sound signal of a tugboat without a tow
    • A. 

      One long blast followed by 2 short blasts

    • B. 

      One long blast followed by 3 short blasts

    • C. 

      One long blast

    • D. 

      3 short blasts

  • 21. 
    You are a power driven vessel and towing another vessel, what lights can be seen from your stern
    • A. 

      Yellow light

    • B. 

      White over yellow light

    • C. 

      Yellow light over white light

    • D. 

      White light

  • 22. 
    You are asked by your duty officer to switch on your lights, how many lights in all will be visible if your vessel is N.U.C. underway and making way night, you are 112 meters in lenght
    • A. 

      4 lights

    • B. 

      5 lights

    • C. 

      6 lights

    • D. 

      Only the sidelights

  • 23. 
    Who will display the towing diamond between the towing vessel and a vessel being towed if the tow is more than 200 meters
    • A. 

      Both the tug and tow

    • B. 

      The tug only

    • C. 

      The tow only

    • D. 

      Any of them

  • 24. 
    You are incharge of a power driven vessel in dense fog , you observed another vessel your radar with a distance of 1 mile on your starboard quarter, you should
    • A. 

      Maintain your course and speed

    • B. 

      Sound the danger signal

    • C. 

      Sound one long blast

    • D. 

      Alter course to port

  • 25. 
    You are a power driven vessel in restricted visibility underway but stopped on the water, what appropriate sound signals you should be sounded
    • A. 

      1 long blast

    • B. 

      2 long blasts

    • C. 

      1 long 2 short blasts

    • D. 

      4 short blasts

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