Water Supply Engineering For determining the velocity of flow of underground water, the most commonly used non-empirical formula is Hazen’s formula Slichter’s formula Darcy’s formula Lacy’s formula Hazen’s formula Slichter’s formula Darcy’s formula Lacy’s formula ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering The least thickness of class B cast iron (spun) pipe, is 10 mm 8.6 mm 7.2 mm 7.9 mm 10 mm 8.6 mm 7.2 mm 7.9 mm ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering In slow sland filters, the turbidity of raw water can be removed only up to 100 gm/litre 60 mg/litre 150 mg/litre 75 mg/litre 100 gm/litre 60 mg/litre 150 mg/litre 75 mg/litre ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Sunlight increases dissolved oxygen content reduces turbidity impedes growth of algae helps growth of bacterias increases dissolved oxygen content reduces turbidity impedes growth of algae helps growth of bacterias ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering 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 1505 m 1500 m 1485 m 1475 m 1505 m 1500 m 1485 m 1475 m ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering In distribution pipes, drain valves are provided at lower point any where junction points higher point lower point any where junction points higher point ANSWER DOWNLOAD EXAMIANS APP
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