Water Supply Engineering The yield of a rapid gravity filter as compared to that of slow sand filter, is 30 times 20 times 10 times 15 times 30 times 20 times 10 times 15 times 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 The process of passing water through beds of granular materials, is called Filtration Screening None of these Sedimentation Filtration Screening None of these Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Acidity in water is caused due to All the above. Aluminium sulphate Mineral acids Free CO₂ All the above. Aluminium sulphate Mineral acids Free CO₂ ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Biochemical Oxygen Demand (B.O.D.) of safe drinking water must be 5 10 15 nil 5 10 15 nil ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering In slow sland filters, the turbidity of raw water can be removed only up to 75 mg/litre 60 mg/litre 150 mg/litre 100 gm/litre 75 mg/litre 60 mg/litre 150 mg/litre 100 gm/litre ANSWER DOWNLOAD EXAMIANS APP
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