Waste Water Engineering The pH value of fresh sewage is usually Less than 7 Equal to zero Equal to 7 More than 7 Less than 7 Equal to zero Equal to 7 More than 7 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum diameter of a sewer is kept 15 cm 20 cm 10 cm 25 cm 15 cm 20 cm 10 cm 25 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In very first stage of decomposition of the organic matter in sewage Nitrites are formed Nitrates are formed Ammonia is formed Carbondioxide is formed Nitrites are formed Nitrates are formed Ammonia is formed Carbondioxide is formed ANSWER DOWNLOAD EXAMIANS APP
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 250 mg/l 150 mg/l 50 mg/l 100 mg/l 250 mg/l 150 mg/l 50 mg/l 100 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering hydraulically equivalent, the relationship which holds good, is D3/2 = 4 b3/2 D8/3 = 4 b8/3 D2/3 = 4 b2/3 D3/8 = 4 b3/8 D3/2 = 4 b3/2 D8/3 = 4 b8/3 D2/3 = 4 b2/3 D3/8 = 4 b3/8 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Antisyphonage pipe is fitted With a W.'trap On manholes At the end of septic tanks At the beginning of sewer line With a W.'trap On manholes At the end of septic tanks At the beginning of sewer line ANSWER DOWNLOAD EXAMIANS APP
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