Water Supply Engineering Average annual rainfall at any station is the average of annual rainfall over a period of 14 years 35 years 21 years 28 years 14 years 35 years 21 years 28 years ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering As per IS : 1172-1963, water required per head per day for average domestic purposes, is 65 litres 105 litres 135 litres 85 litres 65 litres 105 litres 135 litres 85 litres ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Aeration of water is done to remove colour odour hardness bacterias colour odour hardness bacterias ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Sunlight increases dissolved oxygen content reduces turbidity helps growth of bacterias impedes growth of algae increases dissolved oxygen content reduces turbidity helps growth of bacterias impedes growth of algae 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 1485 m 1475 m 1500 m 1505 m 1485 m 1475 m 1500 m ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Biochemical Oxygen Demand (B.O.D.) of safe drinking water must be 5 15 nil 10 5 15 nil 10 ANSWER DOWNLOAD EXAMIANS APP
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