Waste Water Engineering In sewage, the solids in mg per litre is 1500 to 2000 1000 to 1500 500 to 1000 100 to 500 1500 to 2000 1000 to 1500 500 to 1000 100 to 500 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The flow velocity in detritus tanks is None of these 0.09 m/sec 0.05 m/sec 1.25 m/sec None of these 0.09 m/sec 0.05 m/sec 1.25 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The asbestos cement sewers are Light in weight Not structurally strong to bear large compressive stress Susceptible to corrosion by sulphuric acid All of these Light in weight Not structurally strong to bear large compressive stress Susceptible to corrosion by sulphuric acid All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 day-incubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is 300 mg/l 100 mg/l 400 mg/l 200 mg/l 300 mg/l 100 mg/l 400 mg/l 200 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The presence of free ammonia in sewage, is detected by Adding potassium permanganate Phenol-di-sulphuric acid Boiling Adding sulphuric acid Adding potassium permanganate Phenol-di-sulphuric acid Boiling Adding sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a trickling filter Filtration process is used Neither A nor B Biological action is used Both A and B Filtration process is used Neither A nor B Biological action is used Both A and B ANSWER DOWNLOAD EXAMIANS APP