Environmental Engineering The main disadvantage of oxidation pond is that Maintenance and operation cost are high None of these BOD removal is very low Large area is required for construction Maintenance and operation cost are high None of these BOD removal is very low Large area is required for construction ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard EDTA (ethylene diamine tetra acetic acid) solution is used to determine the Dissolved oxygen in water Hardness in water Turbidity in water Residual chlorine in water Dissolved oxygen in water Hardness in water Turbidity in water Residual chlorine in water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The process in which the chlorination is done beyond the break point is known as Break point chlorination Super chlorination Post chlorination Pre-chlorination Break point chlorination Super chlorination Post chlorination Pre-chlorination 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 180000 m³ 270000 m³ 150000 m³ 100000 m³ 180000 m³ 270000 m³ 150000 m³ 100000 m³ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most common cause of acidity in water is Carbon dioxide Oxygen Hydrogen Nitrogen Carbon dioxide Oxygen Hydrogen Nitrogen 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 (ii) and (iv) (i) and (ii) (i)and(iv) (ii) and (iii) (ii) and (iv) (i) and (ii) (i)and(iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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