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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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