Waste Water Engineering In olden days the type of section adopted in trunk and out fall sewers was Parabolic shaped Circular shaped Egg shaped Horse shoe shaped Parabolic shaped Circular shaped Egg shaped Horse shoe shaped ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 100 ppm 50 ppm 200 ppm 150 ppm 100 ppm 50 ppm 200 ppm 150 ppm 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 Citric acid Hydrochloric acid Nitric acid Sulphuric acid Citric acid Hydrochloric acid Nitric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of 120 cm 100 cm 160 cm 140 cm 120 cm 100 cm 160 cm 140 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is 225 ppm None of these 250 ppm 200 ppm 225 ppm None of these 250 ppm 200 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Imhoff cone is used to determine Settleable solids None of these Suspended solids Dissolved solids Settleable solids None of these Suspended solids Dissolved solids ANSWER DOWNLOAD EXAMIANS APP
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