Environmental Engineering The design discharge for the separate sewer system shall be taken as 3 × DWF Equal to dry weather flow (DWF) 2 × DWF 6 × DWF 3 × DWF Equal to dry weather flow (DWF) 2 × DWF 6 × DWF ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection of water results in Removal of turbidity Removal of hardness Complete sterilisation Killing of disease bacteria Removal of turbidity Removal of hardness Complete sterilisation Killing of disease bacteria ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of filtered water, which is used for backwashing in rapid sand filters, is about 2 to 4 0.2 to 0.4 5 to 7 0.4 to 1.0 2 to 4 0.2 to 0.4 5 to 7 0.4 to 1.0 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most common cause of acidity in water is Hydrogen Carbon dioxide Oxygen Nitrogen Hydrogen Carbon dioxide Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For the same solid content, if the quantity of sludge with moisture content of 98% is X, then the quantity of sludge with moisture content of 96% will be X/2 X/4 X 2X X/2 X/4 X 2X ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Air binding phenomena in rapid sand filters occur due to Higher turbidity in the effluent Excessive negative head Mud ball formation Low temperature Higher turbidity in the effluent Excessive negative head Mud ball formation Low temperature ANSWER DOWNLOAD EXAMIANS APP
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