Waste Water Engineering ¾th or ¼th extra space is left in sewer pipes at maximum discharge for All listed here Large scale infiltration of storm water Low estimates of the average and maximum flows Unexpected increase in population All listed here Large scale infiltration of storm water Low estimates of the average and maximum flows Unexpected increase in population ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 day-incubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is 300 mg/l 100 mg/l 400 mg/l 200 mg/l 300 mg/l 100 mg/l 400 mg/l 200 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment in septic tanks is due to Aerobic decomposition Parasitic decomposition None of these Anaerobic decomposition Aerobic decomposition Parasitic decomposition None of these Anaerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering During purification process of sewage the gas given off, is Carbon dioxide All listed here Hydrogen Ammonia Carbon dioxide All listed here Hydrogen Ammonia ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Skimming tanks are Tanks provided with self- cleansing screens Those from which sludge is skimmed out Improved version of grit chambers Used to remove the grease and oil Tanks provided with self- cleansing screens Those from which sludge is skimmed out Improved version of grit chambers Used to remove the grease and oil ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For house drainage minimum gradient is 1 in 80 1 in 400 1 in 10 1 in 60 1 in 80 1 in 400 1 in 10 1 in 60 ANSWER DOWNLOAD EXAMIANS APP