Environmental Engineering The design discharge for the separate sewer system shall be taken as 3 × DWF 6 × DWF 2 × DWF Equal to dry weather flow (DWF) 3 × DWF 6 × DWF 2 × DWF Equal to dry weather flow (DWF) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The water carriage system of collection of waste product Creates hygienic problem Is cheaper in initial cost than dry conservancy system Requires treatment before disposal All of these Creates hygienic problem Is cheaper in initial cost than dry conservancy system Requires treatment before disposal All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Scour valves are provided At the foot of rising main along the slope to prevent back running of water At every depression and dead ends to drain out the waste water that may collect there At street corners to control the flow of water At every summit of rising mains At the foot of rising main along the slope to prevent back running of water At every depression and dead ends to drain out the waste water that may collect there At street corners to control the flow of water At every summit of rising mains ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Average rate of water consumption per head per day as per Indian Standard is 100 liters 200 liters 135 liters 165 liters 100 liters 200 liters 135 liters 165 liters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about 1.0 to 5.0 ppm 0.01 to 0.05 ppm 0.5 to 1.0 ppm 0.05 to 0.5 ppm 1.0 to 5.0 ppm 0.01 to 0.05 ppm 0.5 to 1.0 ppm 0.05 to 0.5 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to Total hardness Total hardness total alkalinity Total alkalinity Non carbonate hardness Total hardness Total hardness total alkalinity Total alkalinity Non carbonate hardness ANSWER DOWNLOAD EXAMIANS APP
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