Waste Water Engineering Skimming tanks are Used to remove the grease and oil Tanks provided with self- cleansing screens Improved version of grit chambers Those from which sludge is skimmed out Used to remove the grease and oil Tanks provided with self- cleansing screens Improved version of grit chambers Those from which sludge is skimmed out ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For house drainage minimum gradient is 1 in 60 1 in 400 1 in 10 1 in 80 1 in 60 1 in 400 1 in 10 1 in 80 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewage having fully oxidised organic matter, the nitrogen exists in the form of Aluminoid nitrogen Nitrites Free ammonia Nitrates Aluminoid nitrogen Nitrites Free ammonia Nitrates 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 200 mg/l 300 mg/l 100 mg/l 400 mg/l 200 mg/l 300 mg/l 100 mg/l 400 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Fresh sewage is generally Acidic A source of objectionable odour Highly decomposed Alkaline Acidic A source of objectionable odour Highly decomposed Alkaline ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A nuisance is experienced in diluting water if dilution factor is less than 60 40 20 100 60 40 20 100 ANSWER DOWNLOAD EXAMIANS APP