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 200 mg/l 300 mg/l 100 mg/l 400 mg/l 200 mg/l 300 mg/l 100 mg/l 400 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Oxidation process results in the formation of Carbon dioxide All of these Nitrates Sulphates Carbon dioxide All of these Nitrates Sulphates ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The suitable cross-section of sewers to carry combined flow, is Egg shaped Rectangular Horse shoe shaped Circular Egg shaped Rectangular Horse shoe shaped Circular ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewage having fully oxidised organic matter, the nitrogen exists in the form of Nitrites Free ammonia Nitrates Aluminoid nitrogen Nitrites Free ammonia Nitrates Aluminoid nitrogen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The effluent of a septic tank is Fit for discharge into any open drain None of these As good as that from a complete treatment Foul and contains dissolved and suspended solids Fit for discharge into any open drain None of these As good as that from a complete treatment Foul and contains dissolved and suspended solids ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In circular sewers if depth of flow is 0.2 times the full depth, the nominal gradient, Is doubled Is trebled Is not enough Is only provided Is doubled Is trebled Is not enough Is only provided ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS