Waste Water Engineering Imhoff cone is used to measure Total solids Total in organic solids Total organic solids Settleable solids Total solids Total in organic solids Total organic solids Settleable solids 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 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
Waste Water Engineering Aerobic bacterias All of these Consume organic matter as their food Oxidise organic matter in sewage Flourish in the presence of free oxygen All of these Consume organic matter as their food Oxidise organic matter in sewage Flourish in the presence of free oxygen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dry water flow in a combined sewer, is Inclusive of domestic and industrial sewage but excludes storm water Storm water Domestic sewage Industrial sewage Inclusive of domestic and industrial sewage but excludes storm water Storm water Domestic sewage Industrial sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following statements regarding septic tanks is wrong? A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided The outlet invert level is kept 5 to 7.5 cm below the inlet invert level The depth of tank is kept equal to its width The minimum width of septic level is 90 cm A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided The outlet invert level is kept 5 to 7.5 cm below the inlet invert level The depth of tank is kept equal to its width The minimum width of septic level is 90 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D is the diameter of a circular sewer and D’ is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is D’ = 0.84 D D’ = 0.74 D D’ = 0.64 D D’ = 0.94 D D’ = 0.84 D D’ = 0.74 D D’ = 0.64 D D’ = 0.94 D ANSWER DOWNLOAD EXAMIANS APP
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