Environmental Engineering The maximum permissible limit for fluoride in drinking water is 0.1 mg/liter 1.5 mg/liter 5 mg/liter 10 mg/liter 0.1 mg/liter 1.5 mg/liter 5 mg/liter 10 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be 4 mm/hr 10 mm/hr 40 mm/hr 20 mm/hr 4 mm/hr 10 mm/hr 40 mm/hr 20 mm/hr 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 depth of tank Decreasing the surface area of tank Increasing the depth of tank Increasing the surface area of tank Decreasing the depth of tank Decreasing the surface area of tank Increasing the depth of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering When there is no recirculation of sewage, then recirculation factor is None of these Infinity 1 None of these Infinity 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The biochemical treatment of sewage effluents is essentially a process of Alkalinization Oxidation Reduction Dehydration Alkalinization Oxidation Reduction Dehydration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable method for disinfection of swimming pool water is Lime treatment Ultra violet rays treatment By using potassium permanganate Chlorination Lime treatment Ultra violet rays treatment By using potassium permanganate Chlorination ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS