Waste Water Engineering If the over land flow from the critical point to the drain is 8 km and the difference in level is 12.4 m, the inlet time is 2 hours 3 hours 5 hours 4 hours 2 hours 3 hours 5 hours 4 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Inter-distance between ventilation columns in a sewer line is kept 150 m to 300 m 25 to 50 m 100 m to 150 m 50 m to 100 m 150 m to 300 m 25 to 50 m 100 m to 150 m 50 m to 100 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The recommended detention period for grit chambers is 2 minutes 1 minute 3 minutes 5 minutes 2 minutes 1 minute 3 minutes 5 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Skimming tanks are Tanks provided with self- cleansing screens Those from which sludge is skimmed out Used to remove the grease and oil Improved version of grit chambers Tanks provided with self- cleansing screens Those from which sludge is skimmed out Used to remove the grease and oil Improved version of grit chambers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design purposes, the normal rate of infiltration of ground water into the sewer, is 2000 litres/km/cm 500 litres/km/cm 1500 litres/km/cm 1000 litres/km/cm 2000 litres/km/cm 500 litres/km/cm 1500 litres/km/cm 1000 litres/km/cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is 20 cm 50 cm 25 cm 40 cm 20 cm 50 cm 25 cm 40 cm ANSWER DOWNLOAD EXAMIANS APP