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Civil Engineering :: Water Resources Engineering

  1. Pick up the correct statement from the following :

  2. A.
    The portion of pellicular water which remains unutilised, is called hygroscopic water
    B.
    The moisture content at which permanent wilting of plants takes place, is called the wilting point
    C.
    The path of the water required to bring the soil moisture content of a soil up to its field capacity is called soil moisture deficiency
    D.
    The moisture deficiency will be different at different points
    E.
    All the above.

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  3. The main factor which affects the infiltration capacity, is

  4. A.
    thickness of saturated layer
    B.
    depth of surface detention
    C.
    soil moisture
    D.
    all the above.

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  5. According to Robert E. Horton, the equation of infiltration capacity curve, is (where letters carry their usual meanings)

  6. A.
    f = fc (fo - fc) ekt
    B.
    f = ft - (fo - fc) e-kt
    C.
    f = ft + (fo - fc) e-kt
    D.
    f = f + (fo - fc) ekt

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  7. Pick up the correct statement from the following :

  8. A.
    Absolute humidity at a given temperature is equal to weight of moisture present in a unit volume
    B.
    Relative humidity is the ratio of actual vapour pressure and saturation vapour pressure at the same temperature
    C.
    Relative humidity is the ratio of the weight of the vapours present per unit volume to the weight of vapours which could be contained at the same temperature when fully saturated
    D.
    Humidity can be measured by psychrometer
    E.
    All the above.

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  9. Absolute humidity in air

  10. A.
    decreases at higher altitudes
    B.
    increases at higher altitudes
    C.
    remains constant at all altitudes
    D.
    none of these.

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  11. Precipitation caused by lifting of an air mass due to the pressure difference, is called

  12. A.
    cyclonic precipitation
    B.
    convective precipitation
    C.
    orographic precipitation
    D.
    none of these.

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  13. The standard height of a standard rain gauge, is

  14. A.
    10 cm
    B.
    20 cm
    C.
    30 cm
    D.
    50 cm.

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  15. In India, rain fall is generally recorded at

  16. A.
    8 A.M.
    B.
    12 Noon
    C.
    4 P.M.
    D.
    8 P.M.

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  17. A recording type rain gauge

  18. A.
    produces a mass curve of rain fall
    B.
    records the cumulative rain
    C.
    is sometimes called integrating rain gauge or continuous rain gauge
    D.
    all the above.

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  19. In India the recording type rain gauge generally used, is

  20. A.
    weighing type
    B.
    tipping type
    C.
    float recording type
    D.
    none of these.

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