Environmental Engineering Which of the following methods of analysis of water distribution system is most suitable for long and narrow pipe system? Electrical analysis method Hardy cross method Circle method Equivalent pipe method Electrical analysis method Hardy cross method Circle method Equivalent pipe method ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are normally designed for 15 - 20 years 28 - 30 years 15 - 28 years 5 - 10 years 15 - 20 years 28 - 30 years 15 - 28 years 5 - 10 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sludge volume index is defined as the ratio of Percentage of sludge by volume to percentage of suspended solids by weight Percentage of sludge by volume to percentage of total solids by weight Percentage of suspended solids by weight to percentage of sludge by volume Percentage of total solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of suspended solids by weight Percentage of sludge by volume to percentage of total solids by weight Percentage of suspended solids by weight to percentage of sludge by volume Percentage of total solids by weight to percentage of sludge by volume ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following retards the self purification of stream? None of these Higher temperature Sunlight Satisfying oxygen demand None of these Higher temperature Sunlight Satisfying oxygen demand ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The specific gravity of sewage is Slightly greater than 1 Equal to 1 Slightly less than 1 Much greater than 1 Slightly greater than 1 Equal to 1 Slightly less than 1 Much greater than 1 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 100 ppm 400 ppm 200 ppm 300 ppm 100 ppm 400 ppm 200 ppm ANSWER DOWNLOAD EXAMIANS APP