Waste Water Engineering In sewage, the solids in mg per litre is 1500 to 2000 100 to 500 500 to 1000 1000 to 1500 1500 to 2000 100 to 500 500 to 1000 1000 to 1500 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The algae dies out in the zone of Degradation Active decomposition Cleaner water Recovery Degradation Active decomposition Cleaner water Recovery 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 0.12 cumec 0.10 cumec 0.15 cumec 0.20 cumec 0.12 cumec 0.10 cumec 0.15 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The coagulant which is generally not used for treating the sewage, is Ferric sulphate Alum Ferric chloride Chlorinated coppers Ferric sulphate Alum Ferric chloride Chlorinated coppers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The value of Chezy’s constant C = 157.6/(1.81 + K/ ) is used in Kutter’s formula Chezy’s formula Manning’s formula Bazin’s formula Kutter’s formula Chezy’s formula Manning’s formula Bazin’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The effluent of a septic tank is None of these Fit for discharge into any open drain Foul and contains dissolved and suspended solids As good as that from a complete treatment None of these Fit for discharge into any open drain Foul and contains dissolved and suspended solids As good as that from a complete treatment ANSWER DOWNLOAD EXAMIANS APP
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