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  • Question
  • Surf zone is :


  • Options
  • A. the fathom line of 10 m depth
  • B. the fathom line of 5 m depth
  • C. the swell of the sea breaking on the shore or reefs
  • D. the coast line attacked by the waves.

  • Correct Answer
  • the swell of the sea breaking on the shore or reefs 


  • Docks and Harbours problems


    Search Results


    • 1. The beach is built:

    • Options
    • A. with largest material locally available to the waves
    • B. with large material locally available to the waves
    • C. with fine material locally available to the waves
    • D. with finest material locally available to the waves.
    • Discuss
    • 2. Pick up the correct statement from the following:

    • Options
    • A. The operation of removing material from the sea or river bed is known as
    • B. Dredging
    • C. Digging
    • D. None of these.
    • Discuss
    • 3. 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
    • 4. 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
    • 5. The important component of a sea port is

    • Options
    • A. terminal buildings
    • B. the docks
    • C. the harbour
    • D. all of these.
    • Discuss
    • 6. Littoral drift

    • Options
    • A. is the raised line of sand, parallel to the sea coast
    • B. is the slow movement of surface water at sea caused by the wind
    • C. is a current parallel to the shore, caused due to tangential component of the wind
    • D. is a current perpendicular to the shore line caused due to wind.
    • Discuss
    • 7. A harbour is a place where

    • Options
    • A. ships get shelter and protection against destructive forces due to sea waves
    • B. facilities are provided for receiving cargo and passengers
    • C. port buildings are constructed for commercial purposes
    • D. all the above.
    • Discuss
    • 8. Pick up the incorrect statement from the following:

    • Options
    • A. As a wave of sea water approaches the coast line, it is generally accompanied by a drift of water in the direction of wave advance
    • B. The on-shore wind helps to produce wave action as well as rise of M.S.L.
    • C. A falling hydraulic gradient occurs in the direction of the wave
    • D. The wave while receding carries finer particles out to deep water.
    • Discuss
    • 9. Depth of borings for soil investigation, is generally kept below low water level

    • Options
    • A. 30 m
    • B. 35 m
    • C. 45 m
    • D. 40 m
    • Discuss
    • 10. A roadstead :

    • Options
    • A. is a protected area of water where boats can move safely
    • B. is the end of the road at the harbour
    • C. may be protected by break water walls
    • D. none of these.
    • Discuss


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