Environmental Engineering In facultative stabilization pond, the sewage is treated by Algae only Dual action of aerobic bacteria and anaerobic bacteria Sedimentation Aerobic bacteria only Algae only Dual action of aerobic bacteria and anaerobic bacteria Sedimentation Aerobic bacteria only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most common cause of acidity in water is Nitrogen Hydrogen Carbon dioxide Oxygen Nitrogen Hydrogen Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In water treatment, rapid gravity filters are adopted to remove Bacteria and colloidal solids Floating solids and dissolved inorganic solids Dissolved solids and dissolved gases Dissolved organic substances Bacteria and colloidal solids Floating solids and dissolved inorganic solids Dissolved solids and dissolved gases Dissolved organic substances ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For the same solid content, if the quantity of sludge with moisture content of 98% is X, then the quantity of sludge with moisture content of 96% will be X/2 X X/4 2X X/2 X X/4 2X ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum efficiency of BOD removal is achieved in Oxidation ditch Trickling filters Oxidation pond Aerated lagoons Oxidation ditch Trickling filters Oxidation pond Aerated lagoons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The length of rectangular sedimentation tank should not be more than (Where ‘B’ is the width of the tank) B 8B 4B 2B B 8B 4B 2B ANSWER DOWNLOAD EXAMIANS APP
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