Environmental Engineering The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is 4 ppm 1 ppm 40 ppm 10 ppm 4 ppm 1 ppm 40 ppm 10 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The water carriage system of collection of waste product Creates hygienic problem Requires treatment before disposal All of these Is cheaper in initial cost than dry conservancy system Creates hygienic problem Requires treatment before disposal All of these Is cheaper in initial cost than dry conservancy system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The process of lagooning is primarily a means of Increasing flow of sewage through imhoff tanks Reducing the excessive flow in sewers Increasing the capacity of storage reservoirs Disposing of sludge Increasing flow of sewage through imhoff tanks Reducing the excessive flow in sewers Increasing the capacity of storage reservoirs Disposing of sludge ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Residual chlorine in water is determined by Orthotolidine method None of these Starch iodide method Both (A) and (B) Orthotolidine method None of these Starch iodide method Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Average rate of water consumption per head per day as per Indian Standard is 135 liters 200 liters 165 liters 100 liters 135 liters 200 liters 165 liters 100 liters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard EDTA (ethylene diamine tetra acetic acid) solution is used to determine the Hardness in water Turbidity in water Dissolved oxygen in water Residual chlorine in water Hardness in water Turbidity in water Dissolved oxygen in water Residual chlorine in water ANSWER DOWNLOAD EXAMIANS APP