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  • Question
  • Which one of the following statements is correct?


  • Options
  • A. The soundings are made with respect to the mean low water
  • B. The soundings which are below the datum are written in black on the map
  • C. The spot heights of the features above datum are written in red on the map
  • D. The decimal point of the sounding value is at the exact position of the sounding
  • E. All the above.

  • Correct Answer
  • All the above. 


  • Docks and Harbours problems


    Search Results


    • 1. A lead line or sounding line

    • Options
    • A. is stretched thoroughly when wet before it is graduated
    • B. should be soaked in water for about one hour prior to taking soundings
    • C. is adjusted at regular interval
    • D. is generally used for depths exceeding 6 m
    • E. all the above.
    • Discuss
    • 2. The width of the entrances of the harbours is restricted to

    • Options
    • A. 100 m
    • B. 125 m
    • C. 150 m
    • D. 180 m
    • Discuss
    • 3. According to the recommendations of International Navigational Congress in 1912, the ratio of length to width at the entrance for cargo vessels is

    • Options
    • A. 5.5 and 6.0 to 1
    • B. 6.2 and 6.8 to 1
    • C. 7.4 and 7.8 to 1
    • D. 8.2 and 8.5 to 1
    • Discuss
    • 4. For location of soundings a range and one angle from the shore involves the following operations. Which one is correct?

    • Options
    • A. A range line is established
    • B. The first and the last soundings and every tenth soundings are fixed by angular observations
    • C. The intermediate soundings are fixed by the time intervals
    • D. All the above.
    • Discuss
    • 5. If h and h1 are the heights of a light house and the observer in a ship in metres above M S L then the horizontal distance from the ship to the light house in kilometres is

    • Options
    • A. 3.86 (h + h1)
    • B. 3.86 (h - h1)
    • C. 3.86 (h x h1)
    • D. 3.86 ? (h + h1)
    • Discuss
    • 6. Pick up the correct statement function following:

    • Options
    • A. The coarse material which has a smaller angle of repose, causes a steeper beach slope
    • B. The coarse material which has a greater angle of repose, causes a steeper beach slope
    • C. The flattening out of the beach is caused due to the movement of small and uniform particles leeward.
    • D. both (b) and (c).
    • Discuss
    • 7. The shape of docks and basins is generally kept

    • Options
    • A. rectangular ways
    • B. diamond shape guays
    • C. inclined gauys
    • D. all of these.
    • Discuss
    • 8. The important component of a sea port is

    • Options
    • A. terminal buildings
    • B. the docks
    • C. the harbour
    • D. all of these.
    • Discuss
    • 9. The smoothened surface of the front face of the guay walls, is known as fending which is made of

    • Options
    • A. granite stone
    • B. timber
    • C. steel
    • D. all the above.
    • Discuss
    • 10. Due to the impact of water wave on a sea shore structure

    • Options
    • A. hydrostatic pressure coupled with a strong momentary impact is caused
    • B. vibrations are subjected
    • C. internal pressure is developed
    • D. weakens the foundation
    • E. all of the above.
    • Discuss


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