Waste Water Engineering If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is 400 mg/l 100 mg/l 200 mg/l 300 mg/l 400 mg/l 100 mg/l 200 mg/l 300 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering An inverted siphon is designed generally for Three pipes One pipe Two pipes Four pipes Three pipes One pipe Two pipes Four pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering R.M.O. expenses include Operation expenses Running expenses All of these Maintenance expenses Operation expenses Running expenses All of these Maintenance expenses ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A circular sewer section is preferred to because All listed here It provides maximum area for a given perimeter It is cheaper in construction It provides maximum hydraulic mean depth All listed here It provides maximum area for a given perimeter It is cheaper in construction It provides maximum hydraulic mean depth ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In very first stage of decomposition of the organic matter in sewage Nitrites are formed Carbondioxide is formed Nitrates are formed Ammonia is formed Nitrites are formed Carbondioxide is formed Nitrates are formed Ammonia is formed ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The porosity of sediments in sewer pipes, is usually taken as 0.012 0.01 0.013 0.011 0.012 0.01 0.013 0.011 ANSWER DOWNLOAD EXAMIANS APP