Environmental Engineering On standard silica scale, the turbidity in drinking water should be limited to 10 ppm 30 ppm 50 ppm 20 ppm 10 ppm 30 ppm 50 ppm 20 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of oxidation pond is that 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 Maintenance and operation cost are high None of these 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 100000 m³ 180000 m³ 270000 m³ 150000 m³ 100000 m³ 180000 m³ 270000 m³ 150000 m³ 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 hydraulic mean depth (HMD) for an egg-shaped sewer flowing two-third full is Less than HMD when flowing full Equal to HMD when flowing full Greater than HMD when flowing full None of these Less than HMD when flowing full Equal to HMD when flowing full Greater than HMD when flowing full None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The water carriage system of collection of waste product Creates hygienic problem Is cheaper in initial cost than dry conservancy system All of these Requires treatment before disposal Creates hygienic problem Is cheaper in initial cost than dry conservancy system All of these Requires treatment before disposal ANSWER DOWNLOAD EXAMIANS APP
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