Waste Water Engineering The factor responsible for purification of sewage in river is Dissolved oxygen in water Temperature All listed here Hydrology Dissolved oxygen in water Temperature All listed here Hydrology ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For house drainage minimum gradient is 1 in 400 1 in 10 1 in 80 1 in 60 1 in 400 1 in 10 1 in 80 1 in 60 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 8 to 16 hours 4 to 8 hours 16 to 24 hours 24 to 36 hours 8 to 16 hours 4 to 8 hours 16 to 24 hours 24 to 36 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment in septic tanks is due to Aerobic decomposition Parasitic decomposition Anaerobic decomposition None of these Aerobic decomposition Parasitic decomposition Anaerobic decomposition None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of 0°C 25°C 20°C 15°C 0°C 25°C 20°C 15°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is 400 mg/l 200 mg/l 300 mg/l 100 mg/l 400 mg/l 200 mg/l 300 mg/l 100 mg/l ANSWER DOWNLOAD EXAMIANS APP
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