Environmental Engineering Sewage treatment units are normally designed for 28 - 30 years 15 - 20 years 5 - 10 years 15 - 28 years 28 - 30 years 15 - 20 years 5 - 10 years 15 - 28 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The pathogens can be killed by Chlorination Nitrification Oxidation None of these Chlorination Nitrification Oxidation None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The characteristics of fresh and septic sewage respectively are Acidic and alkaline Both alkaline Alkaline and acidic Both acidic Acidic and alkaline Both alkaline Alkaline and acidic Both acidic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The design discharge for the separate sewer system shall be taken as Equal to dry weather flow (DWF) 6 × DWF 2 × DWF 3 × DWF Equal to dry weather flow (DWF) 6 × DWF 2 × DWF 3 × DWF ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about 0.05 to 0.5 ppm 0.5 to 1.0 ppm 0.01 to 0.05 ppm 1.0 to 5.0 ppm 0.05 to 0.5 ppm 0.5 to 1.0 ppm 0.01 to 0.05 ppm 1.0 to 5.0 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering When there is no recirculation of sewage, then recirculation factor is Infinity None of these 1 Infinity None of these 1 ANSWER DOWNLOAD EXAMIANS APP
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