Environmental Engineering The percentage of chlorine in fresh bleaching powder is about 40 to 50 10 to 15 20 to 25 30 to 35 40 to 50 10 to 15 20 to 25 30 to 35 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alum as a coagulant is found to be most effective when pH range of water is 6 to 8 2 to 4 8 to 10 4 to 6 6 to 8 2 to 4 8 to 10 4 to 6 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Percentage of bacterial load that can be removed from water by the process of plain sedimentation is about 75 50 100 59 75 50 100 59 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The velocity of flow of water in a sedimentation tank is about 15 to 30 cm/sec 5 to 10 cm/sec 15 to 30 cm/hour 15 to 30 cm/minute 15 to 30 cm/sec 5 to 10 cm/sec 15 to 30 cm/hour 15 to 30 cm/minute ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The water carriage system of collection of waste product Requires treatment before disposal All of these Creates hygienic problem Is cheaper in initial cost than dry conservancy system Requires treatment before disposal All of these Creates hygienic problem Is cheaper in initial cost than dry conservancy system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum discharge of a tube well is about 5 liters/sec 50 liters/sec 1000 liters/sec 500 liters/sec 5 liters/sec 50 liters/sec 1000 liters/sec 500 liters/sec ANSWER DOWNLOAD EXAMIANS APP