Waste Water Engineering hydraulically equivalent, the relationship which holds good, is D2/3 = 4 b2/3 D3/2 = 4 b3/2 D8/3 = 4 b8/3 D3/8 = 4 b3/8 D2/3 = 4 b2/3 D3/2 = 4 b3/2 D8/3 = 4 b8/3 D3/8 = 4 b3/8 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula Ps = 900/(t + 60) the maximum run off is 0.20 cumec 0.15 cumec 0.12 cumec 0.10 cumec 0.20 cumec 0.15 cumec 0.12 cumec 0.10 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Lead acetate test in sewer manhole is done to test the presence of Methane gas Diesel vapours Hydrogen sulphide Carbondioxide gas Methane gas Diesel vapours Hydrogen sulphide Carbondioxide gas ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 8 to 16 hours 16 to 24 hours 4 to 8 hours 24 to 36 hours 8 to 16 hours 16 to 24 hours 4 to 8 hours 24 to 36 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Primary treatment of sewage consists of removal of Sand and girt Large suspended organic solids Floating materials Oil and grease Sand and girt Large suspended organic solids Floating materials Oil and grease ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic activity is maximum In freshly produced sewage None of these At sewer pipes In sewer treatment plants In freshly produced sewage None of these At sewer pipes In sewer treatment plants ANSWER DOWNLOAD EXAMIANS APP
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