Water Supply Engineering Corrosion of well pipes may not be reduced by reducing the draw down and the pumping rate using screens having larger area of openings using thicker pipes reducing the flow velocity reducing the draw down and the pumping rate using screens having larger area of openings using thicker pipes reducing the flow velocity ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Aeration of water is done to remove hardness colour bacterias odour hardness colour bacterias odour ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering In slow sland filters, the turbidity of raw water can be removed only up to 60 mg/litre 75 mg/litre 100 gm/litre 150 mg/litre 60 mg/litre 75 mg/litre 100 gm/litre 150 mg/litre ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering When the reduced level of the water source is higher than the reduced level of the consumer's place, water is generally supplied All listed here Both (A) and (B) By gravitational system By pumping system All listed here Both (A) and (B) By gravitational system By pumping system ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering By boiling water, hardness can be removed if it is due to calcium nitrate calcium bicarbonate calcium sulphate magnesium sulphate calcium nitrate calcium bicarbonate calcium sulphate magnesium sulphate ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering The yield of a rapid gravity filter as compared to that of slow sand filter, is 15 times 10 times 20 times 30 times 15 times 10 times 20 times 30 times ANSWER DOWNLOAD EXAMIANS APP