Environmental Engineering The effective size of sand particles used in slow sand filters is 1.00 to 1.80 mm 0.25 to 0.35 mm 0.60 to 1.00 mm 0.35 to 0.60 mm 1.00 to 1.80 mm 0.25 to 0.35 mm 0.60 to 1.00 mm 0.35 to 0.60 mm 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 Increasing the depth of tank Decreasing the surface area of tank Increasing the surface area of tank Decreasing the depth of tank Increasing the depth of tank Decreasing the surface area of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewerage system is designed for Minimum flow only Maximum flow only Maximum and minimum flow Average flow only Minimum flow only Maximum flow only Maximum and minimum flow Average flow only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In facultative stabilization pond, the sewage is treated by Algae only Sedimentation Aerobic bacteria only Dual action of aerobic bacteria and anaerobic bacteria Algae only Sedimentation Aerobic bacteria only Dual action of aerobic bacteria and anaerobic bacteria ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be Combined system Partially separate system Separate system Partially combined system Combined system Partially separate system Separate system Partially combined system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The characteristics of fresh and septic sewage respectively are Alkaline and acidic Both alkaline Both acidic Acidic and alkaline Alkaline and acidic Both alkaline Both acidic Acidic and alkaline ANSWER DOWNLOAD EXAMIANS APP