Water Supply Engineering Biochemical Oxygen Demand (B.O.D.) of safe drinking water must be 5 nil 15 10 5 nil 15 10 ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering The maximum depth of sedimentation tanks is limited to 3 m 6 m 5 m 4 m 3 m 6 m 5 m 4 m ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Aeration of water is done to remove colour hardness bacterias odour colour hardness bacterias odour 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 500 400 600 450 500 400 600 450 ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Corrosion of well pipes may not be reduced by reducing the draw down and the pumping rate reducing the flow velocity using screens having larger area of openings using thicker pipes reducing the draw down and the pumping rate reducing the flow velocity using screens having larger area of openings using thicker pipes ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Mathamoglobinemia or blue baby disease is caused due to Nitrates Sulphides Nitrites Chlorides Nitrates Sulphides Nitrites Chlorides ANSWER DOWNLOAD EXAMIANS APP