Environmental Engineering The phenolic compounds in public water supply should not be more than 0.1 ppm 0.01 ppm 0.0001 ppm 0.001 ppm 0.1 ppm 0.01 ppm 0.0001 ppm 0.001 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable layout of distribution system for a city with roads of rectangular pattern is Dead end system Grid iron system Ring system Radial system Dead end system Grid iron system Ring system Radial system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The design discharge for the separate sewer system shall be taken as 6 × DWF 2 × DWF 3 × DWF Equal to dry weather flow (DWF) 6 × DWF 2 × DWF 3 × DWF Equal to dry weather flow (DWF) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection of water results in Removal of turbidity Removal of hardness Complete sterilisation Killing of disease bacteria Removal of turbidity Removal of hardness Complete sterilisation Killing of disease bacteria ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Air binding phenomena in rapid sand filters occur due to Mud ball formation Higher turbidity in the effluent Excessive negative head Low temperature Mud ball formation Higher turbidity in the effluent Excessive negative head Low temperature ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Period of cleaning of slow sand filters is about 24 - 48 hours 10 - 12 days 2 - 3 months 1 - 2 year 24 - 48 hours 10 - 12 days 2 - 3 months 1 - 2 year ANSWER DOWNLOAD EXAMIANS APP