Waste Water Engineering The value of Chezy’s constant C = 157.6/(1.81 + K/ ) is used in Manning’s formula Bazin’s formula Kutter’s formula Chezy’s formula Manning’s formula Bazin’s formula Kutter’s formula Chezy’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The presence of free ammonia in sewage, is detected by Adding potassium permanganate Phenol-di-sulphuric acid Boiling Adding sulphuric acid Adding potassium permanganate Phenol-di-sulphuric acid Boiling Adding sulphuric acid 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 200 ppm 100 ppm 150 ppm 50 ppm 200 ppm 100 ppm 150 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following gases is most significant as air pollutant? Oxygen Nitrogen Sulphur-dioxide Carbondioxide Oxygen Nitrogen Sulphur-dioxide Carbondioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 15 cumecs, the depth d and width are related by For drains up to d = 0.5 B d = 0.2 B B = 0.2 d B = 0.5 d d = 0.5 B d = 0.2 B B = 0.2 d B = 0.5 d ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The drop man holes are generally provided in sewers for Industrial areas Cities in plains Large town ships Hilly town ships Industrial areas Cities in plains Large town ships Hilly town ships ANSWER DOWNLOAD EXAMIANS APP