Question

    Which one of the following defines differential moisture content at given suction during wetting and drying?

    A Heterosis Correct Answer Incorrect Answer
    B Sorption Correct Answer Incorrect Answer
    C Hysteresis Correct Answer Incorrect Answer
    D Desorption Correct Answer Incorrect Answer

    Solution

    Hysteresis is a common feature in the hydraulic properties of unsaturated soils. At a given matric suction, the volumetric water content on a wetting curve is always lower than that on a drying curve.

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