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 3.00 m 2.50 m 2 m 2.25 m 3.00 m 2.50 m 2 m 2.25 m ANSWER DOWNLOAD EXAMIANS APP
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 process of passing water through beds of granular materials, is called Sedimentation None of these Filtration Screening Sedimentation None of these Filtration Screening 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 If four fires break out in a city of population 40 lakhs and if each hydrant has three streams and duration of each fire is four hours, the total quantity of water required, is 2880 kilo litres 4880 kilo litres 1880 kilo litres 3880 kilo litres 2880 kilo litres 4880 kilo litres 1880 kilo litres 3880 kilo litres ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering For determining the velocity of flow of underground water, the most commonly used non-empirical formula is Lacy’s formula Hazen’s formula Darcy’s formula Slichter’s formula Lacy’s formula Hazen’s formula Darcy’s formula Slichter’s formula ANSWER DOWNLOAD EXAMIANS APP
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