Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of None of these H₂SO₄ HCl HNO₃ None of these H₂SO₄ HCl HNO₃ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a residential colony, sewers of diameters 100 mm, 150 mm and 225 mm were laid with a gradient 1 in 120. Which portion of the sewage system does not choke in due course of time? 100 mm dia 150 mm dia 225 mm dia All of these 100 mm dia 150 mm dia 225 mm dia All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Skimming tanks are Used to remove the grease and oil Improved version of grit chambers Those from which sludge is skimmed out Tanks provided with self- cleansing screens Used to remove the grease and oil Improved version of grit chambers Those from which sludge is skimmed out Tanks provided with self- cleansing screens ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering R.M.O. expenses include All of these Operation expenses Running expenses Maintenance expenses All of these Operation expenses Running expenses Maintenance expenses ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering An inverted siphon is designed generally for Three pipes Two pipes One pipe Four pipes Three pipes Two pipes One pipe Four pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A well oxidized sewage contains nitrogen mainly as None of these Nitrites Free ammonia Nitrates None of these Nitrites Free ammonia Nitrates ANSWER DOWNLOAD EXAMIANS APP