Environmental Engineering Percentage of bacterial load that can be removed from water by the process of plain sedimentation is about 59 100 75 50 59 100 75 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard EDTA (ethylene diamine tetra acetic acid) solution is used to determine the Hardness in water Dissolved oxygen in water Turbidity in water Residual chlorine in water Hardness in water Dissolved oxygen in water Turbidity in water Residual chlorine in water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following values of pH represents a stronger acid? 2 4 3 5 2 4 3 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 150 to 350 350 to 500 0 to 50 50 to 150 150 to 350 350 to 500 0 to 50 50 to 150 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period in coagulation tanks is usually kept as 30 to 45 minutes 1 to 2 minutes 2 to 6 hours 2 to 6 days 30 to 45 minutes 1 to 2 minutes 2 to 6 hours 2 to 6 days ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Settling velocity increases with Depth of tank Size of particles Temperature of liquid Specific gravity of solid particles Depth of tank Size of particles Temperature of liquid Specific gravity of solid particles ANSWER DOWNLOAD EXAMIANS APP