Water Supply Engineering Biochemical Oxygen Demand (B.O.D.) of safe drinking water must be 10 5 nil 15 10 5 nil 15 ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Average annual rainfall at any station is the average of annual rainfall over a period of 35 years 21 years 28 years 14 years 35 years 21 years 28 years 14 years ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering To pump water from a water reservoir 3 m deep and maximum water level at 135 m, a pump is installed to lift water up to R.L. 175 m at a constant rate of 36,00,000 litres per hour. If the length of the pipe is 1506 m and f = 0.01, ignoring other minor losses and assuming the economical diameter from Lea's formula D = 1.2 √Q, the water horse power of the pump is 500 600 400 450 500 600 400 450 ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering The specific retention is least in case of Clay Coarse gravel. Silt Sand Clay Coarse gravel. Silt Sand ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Acidity in water is caused due to Free CO₂ All the above. Mineral acids Aluminium sulphate Free CO₂ All the above. Mineral acids Aluminium sulphate ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Disinfection of drinking water, is done to remove bacterias colour turbidity odour bacterias colour turbidity odour ANSWER DOWNLOAD EXAMIANS APP
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