Waste Water Engineering During purification process of sewage the gas given off, is All listed here Ammonia Carbon dioxide Hydrogen All listed here Ammonia Carbon dioxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering With self cleansing velocity in sewers Scouring occurs at bottom Neither silting nor scouring occurs at bottom Silting occurs at bottom Both silting and scouring occur at bottom Scouring occurs at bottom Neither silting nor scouring occurs at bottom Silting occurs at bottom Both silting and scouring occur at bottom 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 100 mg/l 200 mg/l 400 mg/l 300 mg/l 100 mg/l 200 mg/l 400 mg/l 300 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrites in the sewage, the matching colour may be developed by adding Potassium permanganate Phenol-di -sulphuric acid potassium hydroxide None of these Sulphuric acid and napthamine Potassium permanganate Phenol-di -sulphuric acid potassium hydroxide None of these Sulphuric acid and napthamine ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For house drainage minimum gradient is 1 in 60 1 in 80 1 in 400 1 in 10 1 in 60 1 in 80 1 in 400 1 in 10 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of maximum sewage flow to average sewage flow for trunk mains having diameters more than 1.25 m, is 1.5 3 4 2 1.5 3 4 2 ANSWER DOWNLOAD EXAMIANS APP