Environmental Engineering If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be 40 mm/hr 4 mm/hr 10 mm/hr 20 mm/hr 40 mm/hr 4 mm/hr 10 mm/hr 20 mm/hr ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a given discharge, the efficiency of sedimentation tank can be increased by 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 Increasing the surface area of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In facultative stabilization pond, the sewage is treated by Algae only Sedimentation Dual action of aerobic bacteria and anaerobic bacteria Aerobic bacteria only Algae only Sedimentation Dual action of aerobic bacteria and anaerobic bacteria Aerobic bacteria only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In water treatment, rapid gravity filters are adopted to remove Dissolved organic substances Dissolved solids and dissolved gases Bacteria and colloidal solids Floating solids and dissolved inorganic solids Dissolved organic substances Dissolved solids and dissolved gases Bacteria and colloidal solids Floating solids and dissolved inorganic solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of BOD exerted at any time is Inversely proportional to BOD remaining Inversely proportional to BOD satisfied Directly proportional to BOD remaining Directly proportional to BOD satisfied Inversely proportional to BOD remaining Inversely proportional to BOD satisfied Directly proportional to BOD remaining Directly proportional to BOD satisfied ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Percentage of bacterial load that can be removed from water by the process of plain sedimentation is about 59 75 100 50 59 75 100 50 ANSWER DOWNLOAD EXAMIANS APP
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