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Docks and Harbours - Section 1
Docks and Harbours - Section 2

  1. Location of soundings by range and one angle is done by the surveyor

    2. A.

    on the shore
    B.

    on the boat
    C.

    on the shore or on the boat
    D.

    none of the above.

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  2. The variation of atmospheric potential is caused due to :

    3. A.

    difference in temperature over the surface of the earth
    B.

    change in the density of air
    C.

    both (a) and (b)
    D.

    neither (a) nor (b).

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  3. Location of soundings by two angles from the shore requires establishing
    4. A.

    one range line parallel to shore
    B.

    one range line perpendicular to shore
    C.

    two range lines mutually perpendicular
    D.

    no range line.

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  4. The floating mooring does not require

    5. A.

    cables
    B.

    anchors
    C.

    bollard
    D.

    buoy.

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  5. Pick up the correct statement from the following:
    6. A.

    The maritime structures should be designed to withstand wave motion of air
    B.

    The wind vortex results in conical depression in the air surface
    C.

    A tube of air rotating at hundreds of kilometres per hour forms a tornado
    D.

    all of the above.

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  6. In tropical regions,
    7. A.

    the surface gets heated more effectively than the arctic areas
    B.

    after heating, the air becomes lighter and is displaced by cool air from the polar regions
    C.

    the rising tropical air flows towards the polar region in the upper strata
    D.

    all of the above.

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  7. For large vessels, the buoys are strengthened by connecting it to a number of anchors having
    8. A.

    one legged mooring
    B.

    two legged mooring
    C.

    three legged mooring
    D.

    four legged mooring
    E.

    all the types as above.

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  8. On the sea shore structures, the water wave impact causes
    9. A.
    direct compressive force due to its horizontal component
    B.

    shear force due to deflected vertical force
    C.

    compressive force due to collapse of the wave
    D.

    suction force due to water returning after striking
    E.

    all of the above.

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  9. Pick up the correct statement from the following:

    10. A.

    Spring tides are caused at new and full moon
    B.

    Neap tides are caused when the moon is in her quarters
    C.

    Spring tides are roughly twice the height of neap tides
    D.

    Flood tides and Ebbstides are caused after 24 hours and 50 minutes corresponding to a lunar day
    E.

    All of the above.

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  10. A dock:
    11. A.

    is a marine structure for berthing of vessels for loading and unloading cargo and passengers
    B.

    is an artificial basin for vessels where the variation of water in the shore does not affect the level of water
    C.

    is provided with a dock gate
    D.

    is provided with an arrangement to pump out water when required
    E.

    all the above.

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