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    Question

    What is the range of Drainage

    coefficient?
    A 0.2 to 0.4 cm/day Correct Answer Incorrect Answer
    B 2.5- 3 cm/day Correct Answer Incorrect Answer
    C 0.6 to 2.5 cm/day Correct Answer Incorrect Answer
    D 0.1 to 2.5 cm/day Correct Answer Incorrect Answer
    E 0.25 to 2 cm/day Correct Answer Incorrect Answer

    Solution

    Drainage coefficient is defined as the depth of water (cm) to be removed in 24 hours’ period from the entire drainage area. It ranges from 0.6 to 2.5 cm/day and in extreme cases 10 cm/day.

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