Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 350 to 500 0 to 50 50 to 150 150 to 350 350 to 500 0 to 50 50 to 150 150 to 350 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The biochemical treatment of sewage effluents is essentially a process of Oxidation Dehydration Reduction Alkalinization Oxidation Dehydration Reduction Alkalinization ANSWER DOWNLOAD EXAMIANS APP
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 The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is 10 ppm 40 ppm 1 ppm 4 ppm 10 ppm 40 ppm 1 ppm 4 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are normally designed for 5 - 10 years 15 - 28 years 28 - 30 years 15 - 20 years 5 - 10 years 15 - 28 years 28 - 30 years 15 - 20 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The disinfection efficiency of chlorine increases by (i) Decreasing the time of contact (ii) Decreasing the temperature of water (iii) Increasing the temperature of water Both (i) and (ii) Only (iii) Only (i) Both (i) and (iii) Both (i) and (ii) Only (iii) Only (i) Both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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