Waste Water Engineering If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is 50 mg/l 250 mg/l 150 mg/l 100 mg/l 50 mg/l 250 mg/l 150 mg/l 100 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In 1000 kg of sewage, the total solids approximate 5 kg to 7.5 kg 1 kg to 2.0 kg 7.5 kg to 10 kg 0.5 to 1.0 kg 5 kg to 7.5 kg 1 kg to 2.0 kg 7.5 kg to 10 kg 0.5 to 1.0 kg ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas which may cause explosion in sewers, is Carbondioxide Carbon monoxide Methane Ammonia Carbondioxide Carbon monoxide Methane Ammonia ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which resists sulphide corrosion, is Cast iron sewer Lead sewer Brick sewer R.C. sewer Cast iron sewer Lead sewer Brick sewer R.C. sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In very first stage of decomposition of the organic matter in sewage Ammonia is formed Nitrates are formed Nitrites are formed Carbondioxide is formed Ammonia is formed Nitrates are formed Nitrites are formed Carbondioxide is formed ANSWER DOWNLOAD EXAMIANS APP
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 William-Hazen Bazin Kutter Crimp and Bruges William-Hazen Bazin Kutter Crimp and Bruges ANSWER DOWNLOAD EXAMIANS APP
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