Civil Engineering :: Water Supply Engineering
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Asbestos pipes are
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By boiling water, hardness can be removed if it is due to
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Q is the discharge from an unconfined tube well with depression head s through its pipe of radius rw. If the radius of influence is R, the length of the required strainer, is
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For determining the velocity of flow of underground water, the most commonly used non-empirical formula is
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According to IS : 1172-1963, a minimum of 135 litres of water capita per day, is required for
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The R.L. of ground water table on the sides of a valley is 1505 m whereas R.L. of the stream water is 1475 m. If 60° slope consists of pervious soil between R.L. 1485 m to 1500 m, the gravity spring may be expected at the point of reduced level
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The factor affecting per capita demand, is
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Pick up the incorrect statement from the following. The underground sources of water, is from