Waste Water Engineering Chlorination of water is done for the removal of Hardness Sediments Bacterias Suspended solids Hardness Sediments Bacterias Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 200 ppm 150 ppm 100 ppm 50 ppm 200 ppm 150 ppm 100 ppm 50 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The width of a settling tank with 2 hour detention period for treating sewage 378 cu m per hour, is 5.5 m 7 m 5 m 6.5 m 5.5 m 7 m 5 m 6.5 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The first stage of neutral process of sludge digestion, is Acid fermentation Acid regression None of these Alkaline fermentation Acid fermentation Acid regression None of these Alkaline fermentation ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is 250 mg/l 150 mg/l 50 mg/l 100 mg/l 250 mg/l 150 mg/l 50 mg/l 100 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The width of a rectangular sewer is twice its depth while discharging 1.5 m/sec. The width of the sewer is 1.36 m 0.68 m 1.76 m 0.88 m 1.36 m 0.68 m 1.76 m 0.88 m ANSWER DOWNLOAD EXAMIANS APP