Waste Water Engineering 3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 day-incubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is 300 mg/l 200 mg/l 400 mg/l 100 mg/l 300 mg/l 200 mg/l 400 mg/l 100 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk and out-fall, the type of sewers generally used, is Standard egg shaped Parabolic shaped Horse shoe shaped Circular shaped Standard egg shaped Parabolic shaped Horse shoe shaped Circular shaped ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Kjeldahl nitrogen is a mixture of Ammonia and nitrogen Organic nitrogen and ammonia All listed here Nitrogen and organic nitrogen Ammonia and nitrogen Organic nitrogen and ammonia All listed here Nitrogen and organic nitrogen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed 2 1.5 2.5 3 2 1.5 2.5 3 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 Carbondioxide is formed Nitrites are formed Ammonia is formed Nitrates are formed Carbondioxide is formed Nitrites are 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 Crimp and Bruges Kutter William-Hazen Bazin Crimp and Bruges Kutter William-Hazen Bazin ANSWER DOWNLOAD EXAMIANS APP
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