Environmental Engineering Percentage of bacterial load that can be removed from water by the process of plain sedimentation is about 100 50 59 75 100 50 59 75 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of sewer which is suitable for both combined and separate system is Horseshoe type sewer Semi-elliptical sewer Circular sewer Egg shaped sewer Horseshoe type sewer Semi-elliptical sewer Circular sewer Egg shaped sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The working conditions in imhoff tanks are Aerobic in lower compartment and anaerobic in upper compartment anaerobic in lower compartment and aerobic in upper compartment Anaerobic only Aerobic only Aerobic in lower compartment and anaerobic in upper compartment anaerobic in lower compartment and aerobic in upper compartment Anaerobic only Aerobic only 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 Alum as a coagulant is found to be most effective when pH range of water is 4 to 6 6 to 8 2 to 4 8 to 10 4 to 6 6 to 8 2 to 4 8 to 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable method for disinfection of swimming pool water is Chlorination By using potassium permanganate Lime treatment Ultra violet rays treatment Chlorination By using potassium permanganate Lime treatment Ultra violet rays treatment ANSWER DOWNLOAD EXAMIANS APP
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