Waste Water Engineering Drop manholes are the manholes Without entry ladders Having drains at different levels Without manhole covers With depths more than 3.5 m Without entry ladders Having drains at different levels Without manhole covers With depths more than 3.5 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The grit and silt of the grit chambers, may not be used for Raising low lying areas by dumping Both A and B Concreting Neither A nor B Raising low lying areas by dumping Both A and B Concreting Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering No treatment of the sewage is given if dilution factor is Less than 150 Between 150 to 200 Between 200 to 300 More than 500 Less than 150 Between 150 to 200 Between 200 to 300 More than 500 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The algae dies out in the zone of Active decomposition Recovery Degradation Cleaner water Active decomposition Recovery Degradation Cleaner water ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of None of these HNO₃ H₂SO₄ HCl None of these HNO₃ H₂SO₄ HCl 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