Environmental Engineering Average rate of water consumption per head per day as per Indian Standard is 135 liters 165 liters 100 liters 200 liters 135 liters 165 liters 100 liters 200 liters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Air binding phenomena in rapid sand filters occur due to Excessive negative head Low temperature Mud ball formation Higher turbidity in the effluent Excessive negative head Low temperature Mud ball formation Higher turbidity in the effluent ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection efficiency is Unaffected by pH value of water Highest at pH value equal to 7 Increased at higher pH value of water Reduced at higher pH value of water Unaffected by pH value of water Highest at pH value equal to 7 Increased at higher pH value of water Reduced at higher pH value of water 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 0.05 to 0.5 ppm 0.01 to 0.05 ppm 0.5 to 1.0 ppm 1.0 to 5.0 ppm 0.05 to 0.5 ppm 0.01 to 0.05 ppm 0.5 to 1.0 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The self cleansing velocity for all sewers in India is usually 3.0 m/sec to 3.5 m/sec 1.5 m/sec to 2.0 m/sec Less than 1.0 m/sec 1.0 m/sec to 1.2 m/sec 3.0 m/sec to 3.5 m/sec 1.5 m/sec to 2.0 m/sec Less than 1.0 m/sec 1.0 m/sec to 1.2 m/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of chlorine in fresh bleaching powder is about 10 to 15 40 to 50 30 to 35 20 to 25 10 to 15 40 to 50 30 to 35 20 to 25 ANSWER DOWNLOAD EXAMIANS APP