Environmental Engineering Disinfection of water results in Complete sterilisation Removal of hardness Killing of disease bacteria Removal of turbidity Complete sterilisation Removal of hardness Killing of disease bacteria Removal of turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The velocity of flow of water in a sedimentation tank is about 5 to 10 cm/sec 15 to 30 cm/sec 15 to 30 cm/minute 15 to 30 cm/hour 5 to 10 cm/sec 15 to 30 cm/sec 15 to 30 cm/minute 15 to 30 cm/hour ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewerage system is designed for Average flow only Maximum and minimum flow Maximum flow only Minimum flow only Average flow only Maximum and minimum flow Maximum flow only Minimum flow only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Chlorine demand of water is equal to Residual chlorine Difference of applied and residual chlorine Sum of applied and residual chlorine Applied chlorine Residual chlorine Difference of applied and residual chlorine Sum of applied and residual chlorine Applied chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Sulphur dioxide Carbon dioxide Chloramines Bleaching powder Sulphur dioxide Carbon dioxide Chloramines Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period in coagulation tanks is usually kept as 30 to 45 minutes 2 to 6 days 2 to 6 hours 1 to 2 minutes 30 to 45 minutes 2 to 6 days 2 to 6 hours 1 to 2 minutes ANSWER DOWNLOAD EXAMIANS APP