Environmental Engineering The effective size of sand particles used in slow sand filters is 0.60 to 1.00 mm 1.00 to 1.80 mm 0.25 to 0.35 mm 0.35 to 0.60 mm 0.60 to 1.00 mm 1.00 to 1.80 mm 0.25 to 0.35 mm 0.35 to 0.60 mm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The biochemical treatment of sewage effluents is essentially a process of Reduction Oxidation Dehydration Alkalinization Reduction Oxidation Dehydration Alkalinization ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 0 to 50 150 to 350 50 to 150 350 to 500 0 to 50 150 to 350 50 to 150 350 to 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Average rate of water consumption per head per day as per Indian Standard is 135 liters 165 liters 200 liters 100 liters 135 liters 165 liters 200 liters 100 liters 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 street corners to control the flow of water At every depression and dead ends to drain out the waste water that may collect there At every summit of rising mains At the foot of rising main along the slope to prevent back running of water At street corners to control the flow of water At every depression and dead ends to drain out the waste water that may collect there At every summit of rising mains ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of oxidation pond is that None of these Large area is required for construction Maintenance and operation cost are high BOD removal is very low None of these Large area is required for construction Maintenance and operation cost are high BOD removal is very low ANSWER DOWNLOAD EXAMIANS APP
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