Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 350 to 500 50 to 150 0 to 50 150 to 350 350 to 500 50 to 150 0 to 50 150 to 350 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following methods of analysis of water distribution system is most suitable for long and narrow pipe system? Circle method Hardy cross method Electrical analysis method Equivalent pipe method Circle method Hardy cross method Electrical analysis method Equivalent pipe method ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about 0.5 to 1.0 ppm 0.05 to 0.5 ppm 0.01 to 0.05 ppm 1.0 to 5.0 ppm 0.5 to 1.0 ppm 0.05 to 0.5 ppm 0.01 to 0.05 ppm 1.0 to 5.0 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The settling velocity of a particle in a sedimentation tank depends on None of these Both depth and surface area of tank Surface area of tank Depth of tank None of these Both depth and surface area of tank Surface area of tank Depth of tank ANSWER DOWNLOAD EXAMIANS APP
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 In facultative stabilization pond, the sewage is treated by 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 Algae only ANSWER DOWNLOAD EXAMIANS APP