Environmental Engineering The biochemical treatment of sewage effluents is essentially a process of Reduction Alkalinization Oxidation Dehydration Reduction Alkalinization Oxidation Dehydration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of coagulant needed for coagulation of water increases with (i) Increase in turbidity of water (ii) Decrease in turbidity of water (iii) Increase in temperature of water (iv) Decrease in temperature of water The correct answer is (i) and (ii) (i)and(iv) (ii) and (iv) (ii) and (iii) (i) and (ii) (i)and(iv) (ii) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of oxidation pond is that None of these Large area is required for construction Maintenance and operation cost are high BOD removal is very low None of these Large area is required for construction Maintenance and operation cost are high BOD removal is very low ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 0 to 50 150 to 350 350 to 500 50 to 150 0 to 50 150 to 350 350 to 500 50 to 150 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the average daily consumption of a city is 100,000 m³, the maximum daily consumption on peak hourly demand will be 150000 m³ 270000 m³ 100000 m³ 180000 m³ 150000 m³ 270000 m³ 100000 m³ 180000 m³ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to cast iron pipes, steel pipes are Heavier Less susceptible to corrosion Costlier Stronger Heavier Less susceptible to corrosion Costlier Stronger ANSWER DOWNLOAD EXAMIANS APP