Environmental Engineering Air binding phenomena in rapid sand filters occur due to Higher turbidity in the effluent Mud ball formation Excessive negative head Low temperature Higher turbidity in the effluent Mud ball formation Excessive negative head Low temperature ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to Total alkalinity Non carbonate hardness Total hardness Total hardness total alkalinity Total alkalinity Non carbonate hardness Total hardness Total hardness total alkalinity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of Alteration of pressure filters is In between the filtration rate of slow sand filters and rapid sand filters Equal to that of slow sand filters Greater than that of rapid sand filters Less than that of slow sand filters In between the filtration rate of slow sand filters and rapid sand filters Equal to that of slow sand filters Greater than that of rapid sand filters Less than that of slow sand filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are normally designed for 15 - 28 years 15 - 20 years 5 - 10 years 28 - 30 years 15 - 28 years 15 - 20 years 5 - 10 years 28 - 30 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period for oxidation ponds is usually kept as 48 hours 24 hours 10 to 15 days 3 months 48 hours 24 hours 10 to 15 days 3 months ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Turbidity is measured on Standard silica scale Standard cobalt scale Standard platinum scale Platinum cobalt scale Standard silica scale Standard cobalt scale Standard platinum scale Platinum cobalt scale ANSWER DOWNLOAD EXAMIANS APP