Environmental Engineering The process of lagooning is primarily a means of Reducing the excessive flow in sewers Increasing the capacity of storage reservoirs Increasing flow of sewage through imhoff tanks Disposing of sludge Reducing the excessive flow in sewers Increasing the capacity of storage reservoirs Increasing flow of sewage through imhoff tanks Disposing of sludge ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Chlorine demand of water is equal to Difference of applied and residual chlorine Applied chlorine Sum of applied and residual chlorine Residual chlorine Difference of applied and residual chlorine Applied chlorine Sum of applied and residual chlorine Residual chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hydraulic mean depth (HMD) for an egg-shaped sewer flowing two-third full is Greater than HMD when flowing full Equal to HMD when flowing full None of these Less than HMD when flowing full Greater than HMD when flowing full Equal to HMD when flowing full None of these Less than HMD when flowing full ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alum as a coagulant is found to be most effective when pH range of water is 2 to 4 8 to 10 6 to 8 4 to 6 2 to 4 8 to 10 6 to 8 4 to 6 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In a BOD test, 1.0 ml of raw sewage was diluted to 100 ml and the dissolved oxygen concentration of diluted sample at the beginning was 6 ppm and it was 4 ppm at the end of 5 day incubation at 20°C. The BOD of raw sewage will be 300 ppm 200 ppm 400 ppm 100 ppm 300 ppm 200 ppm 400 ppm 100 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following causes a decrease in per capita consumption? Hotter climate Better standard of living of the people Good quality of water Use of metering system Hotter climate Better standard of living of the people Good quality of water Use of metering system ANSWER DOWNLOAD EXAMIANS APP