Environmental Engineering The biochemical treatment of sewage effluents is essentially a process of Alkalinization Oxidation Dehydration Reduction Alkalinization Oxidation Dehydration Reduction ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The design discharge for the combined sewer system shall be taken as Rainfall + 2 DWF Rainfall + 6 DWF Rainfall + DWF Equal to rainfall Rainfall + 2 DWF Rainfall + 6 DWF Rainfall + DWF Equal to rainfall ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The polluted water is one which Contains pathogenic bacteria Is safe and suitable for drinking and domestic use Is contaminated Consists of undesirable substances rendering it unfit for drinking and domestic use Contains pathogenic bacteria Is safe and suitable for drinking and domestic use Is contaminated Consists of undesirable substances rendering it unfit for drinking and domestic use ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a given discharge, the efficiency of sedimentation tank can be increased by Increasing the surface area of tank Decreasing the surface area of tank Decreasing the depth of tank Increasing the depth of tank Increasing the surface area of tank Decreasing the surface area of tank Decreasing the depth of tank Increasing the depth of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to higher pH values, the contact period required for efficient chlorination at lower pH values is Larger None of these Smaller Same Larger None of these Smaller Same ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Air binding phenomena in rapid sand filters occur due to Mud ball formation Low temperature Higher turbidity in the effluent Excessive negative head Mud ball formation Low temperature Higher turbidity in the effluent Excessive negative head ANSWER DOWNLOAD EXAMIANS APP
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