Environmental Engineering Generally the detention period for grit chambers is kept as 5 minutes 1 minute 24 hours 12 hours 5 minutes 1 minute 24 hours 12 hours ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard EDTA (ethylene diamine tetra acetic acid) solution is used to determine the Hardness in water Turbidity in water Dissolved oxygen in water Residual chlorine in water Hardness in water Turbidity in water Dissolved oxygen in water Residual chlorine in water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable method for disinfection of swimming pool water is By using potassium permanganate Chlorination Ultra violet rays treatment Lime treatment By using potassium permanganate Chlorination Ultra violet rays treatment Lime treatment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The slope of sewer shall be Steeper than 1 in 20 Given in the direction of natural slope of ground Given in the direction opposite to natural slope of ground Zero Steeper than 1 in 20 Given in the direction of natural slope of ground Given in the direction opposite to natural slope of ground Zero ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of chlorine in fresh bleaching powder is about 10 to 15 30 to 35 40 to 50 20 to 25 10 to 15 30 to 35 40 to 50 20 to 25 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about 1.0 to 5.0 ppm 0.01 to 0.05 ppm 0.05 to 0.5 ppm 0.5 to 1.0 ppm 1.0 to 5.0 ppm 0.01 to 0.05 ppm 0.05 to 0.5 ppm 0.5 to 1.0 ppm ANSWER DOWNLOAD EXAMIANS APP
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