Waste Water Engineering The normal values of over flow rates for sedimentation tanks using coagulant, ranges between 80,000 to 100,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Methane Hydrogen sulphide Carbon dioxide Oxygen Methane Hydrogen sulphide Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a grit chamber, if the recommended velocity of flow is 0.2 m/sec and detention period is 2 minutes, the length of the tank, is 24 m 20 m 30 m 16 m 24 m 20 m 30 m 16 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Pick up the incorrect statement from the following for allowing workers to enter sewers Proper tests for the presence of poisonous gases must be carried out The men entering the manhole should be advised to smoke in the sewer The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes Warning signals should be erected Proper tests for the presence of poisonous gases must be carried out The men entering the manhole should be advised to smoke in the sewer The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes Warning signals should be erected ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For estimating the peak run off the rational formula Q = 0.0278 KpA was evolved by Frubling All listed here Kinchling Lloyd Davis Frubling All listed here Kinchling Lloyd Davis ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Chlorination of water is done for the removal of Sediments Bacterias Suspended solids Hardness Sediments Bacterias Suspended solids Hardness ANSWER DOWNLOAD EXAMIANS APP