Waste Water Engineering In a grit chamber of a sewage treatment plant, One minute of detention period is kept All of these Flow velocity 0.15 m to 0.3 m/sec is kept Depth of 0.9 m to 1.20 m is kept One minute of detention period is kept All of these Flow velocity 0.15 m to 0.3 m/sec is kept Depth of 0.9 m to 1.20 m is kept ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewerage system consists of House sewer Branch sewer Lateral sewer All of these House sewer Branch sewer Lateral sewer All of these 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 150 ppm 100 ppm 50 ppm 200 ppm 150 ppm 100 ppm 50 ppm 200 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering pH value of sludge during alkaline regression stage, is Less than 7 More than 7 Less than 6 More than 6 Less than 7 More than 7 Less than 6 More than 6 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In very first stage of decomposition of the organic matter in sewage Ammonia is formed Nitrates are formed Carbondioxide is formed Nitrites are formed Ammonia is formed Nitrates are formed Carbondioxide is formed Nitrites are formed ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering House connections to the laterals is generally made by P.C.C. R.C.C. Glazed stonewares Cast iron P.C.C. R.C.C. Glazed stonewares Cast iron ANSWER DOWNLOAD EXAMIANS APP