Water Supply Engineering Corrosion of well pipes may not be reduced by 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 reducing the draw down and the pumping rate using screens having larger area of openings using thicker pipes ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering The expected discharge to be obtained from an open well sunk in coarse sand is 0.0059 cumec. If the working depression head of the well is 3 m, the minimum diameter of the well, is 2.50 m 2.25 m 3.00 m 2 m 2.50 m 2.25 m 3.00 m 2 m ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering By boiling water, hardness can be removed if it is due to calcium sulphate calcium bicarbonate calcium nitrate magnesium sulphate calcium sulphate calcium bicarbonate calcium nitrate magnesium sulphate 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 specific retention is least in case of Sand Coarse gravel. Clay Silt Sand Coarse gravel. Clay Silt ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering In distribution pipes, drain valves are provided at any where higher point junction points lower point any where higher point junction points lower point ANSWER DOWNLOAD EXAMIANS APP