Waste Water Engineering During purification process of sewage the gas given off, is Ammonia All listed here Hydrogen Carbon dioxide Ammonia All listed here Hydrogen Carbon dioxide 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 50 ppm 150 ppm 100 ppm 200 ppm 50 ppm 150 ppm 100 ppm 200 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 Sulphuric acid Hydrochloric acid Citric acid Nitric acid Sulphuric acid Hydrochloric acid Citric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by Chezy Bazin Kutter Manning Chezy Bazin Kutter Manning ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Disposal to sewage in large cities, is done in Purification Dilution Oxidation Irrigation Purification Dilution Oxidation Irrigation ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The self-cleansing velocity of water flowing through pipe lines, is 0.5 metre/sec 2 metres/sec 0.25 metre/sec 1 metre/sec 0.5 metre/sec 2 metres/sec 0.25 metre/sec 1 metre/sec ANSWER DOWNLOAD EXAMIANS APP
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