Environmental Engineering Alum as a coagulant is found to be most effective when pH range of water is 2 to 4 4 to 6 6 to 8 8 to 10 2 to 4 4 to 6 6 to 8 8 to 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following is not a water borne disease? Cholera Typhoid Dysentery Malaria Cholera Typhoid Dysentery Malaria 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 The overflow rate for plain sedimentation tanks is about 1500 to 2000 liters/hour/m² 500 to 750 liters/hour/ m² 1250 to 1500 liters/hour/m² 1000 to 1250 liters/hour/ m² 1500 to 2000 liters/hour/m² 500 to 750 liters/hour/ m² 1250 to 1500 liters/hour/m² 1000 to 1250 liters/hour/ m² ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The design discharge for the combined sewer system shall be taken as Rainfall + 2 DWF Rainfall + DWF Rainfall + 6 DWF Equal to rainfall Rainfall + 2 DWF Rainfall + DWF Rainfall + 6 DWF Equal to rainfall ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to cast iron pipes, steel pipes are Stronger Heavier Costlier Less susceptible to corrosion Stronger Heavier Costlier Less susceptible to corrosion ANSWER DOWNLOAD EXAMIANS APP
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