Waste Water Engineering The formula which accepts the value of rugosity coefficient n = 0.012 to be used in Manning’s formula, is given by Bazin Crimp and Bruges Kutter William-Hazen Bazin Crimp and Bruges Kutter William-Hazen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For large sewers, maximum distance between manholes may be 100 m 200 m 50 m 300 m 100 m 200 m 50 m 300 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewage, the solids in mg per litre is 1500 to 2000 100 to 500 1000 to 1500 500 to 1000 1500 to 2000 100 to 500 1000 to 1500 500 to 1000 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of HNO₃ H₂SO₄ None of these HCl HNO₃ H₂SO₄ None of these HCl ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of Nitric acid Sulphuric acid Citric acid Hydrochloric acid Nitric acid Sulphuric acid Citric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP