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 200 mg/l 400 mg/l 100 mg/l 300 mg/l 200 mg/l 400 mg/l 100 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Inter-distance between ventilation columns in a sewer line is kept 150 m to 300 m 50 m to 100 m 100 m to 150 m 25 to 50 m 150 m to 300 m 50 m to 100 m 100 m to 150 m 25 to 50 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design of sewers, percentage of sewage discharge is assumed 0.85 70 to 75% 75 to 80% 65 to 70% 0.85 70 to 75% 75 to 80% 65 to 70% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Water content of sewage is about 0.95 0.99 0.9 0.999 0.95 0.99 0.9 0.999 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Clogging of sewers, is caused due to Low discharge Silting Greasy and oily matters All of these Low discharge Silting Greasy and oily matters All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Design period of 40 to 50 years is adopted for Trunk sewers All listed here Branch sewers Main sewers Trunk sewers All listed here Branch sewers Main sewers ANSWER DOWNLOAD EXAMIANS APP
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