Environmental Engineering As compared to higher pH values, the contact period required for efficient chlorination at lower pH values is Larger None of these Same Smaller Larger None of these Same Smaller ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following retards the self purification of stream? Satisfying oxygen demand Sunlight None of these Higher temperature Satisfying oxygen demand Sunlight None of these Higher temperature ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The gas from sludge digestion tank is mainly composed of Hydrogen sulphide Carbon dioxide Nitrogen Methane Hydrogen sulphide Carbon dioxide Nitrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum efficiency of BOD removal is achieved in Oxidation pond Aerated lagoons Trickling filters Oxidation ditch Oxidation pond Aerated lagoons Trickling filters Oxidation ditch ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering When there is no recirculation of sewage, then recirculation factor is Infinity 1 None of these Infinity 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Activated carbon is used for Removing odours Removing corrosiveness Removing hardness Disinfection Removing odours Removing corrosiveness Removing hardness Disinfection ANSWER DOWNLOAD EXAMIANS APP
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