Waste Water Engineering The rate of accumulation of sludge per person per year, is 10 litres 20 litres 25 litres 15 litres 10 litres 20 litres 25 litres 15 litres ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is 100 mg/l 400 mg/l 300 mg/l 200 mg/l 100 mg/l 400 mg/l 300 mg/l 200 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The effluent of a septic tank is As good as that from a complete treatment Fit for discharge into any open drain None of these Foul and contains dissolved and suspended solids As good as that from a complete treatment Fit for discharge into any open drain None of these Foul and contains dissolved and suspended solids ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The value of Chezy’s constant C = 157.6/(1.81 + K/ ) is used in Bazin’s formula Kutter’s formula Chezy’s formula Manning’s formula Bazin’s formula Kutter’s formula Chezy’s formula Manning’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Flocculated particles do not change their Shape None of these Weight Size Shape None of these Weight Size ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewage having fully oxidised organic matter, the nitrogen exists in the form of Nitrates Free ammonia Nitrites Aluminoid nitrogen Nitrates Free ammonia Nitrites Aluminoid nitrogen ANSWER DOWNLOAD EXAMIANS APP