Waste Water Engineering If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is 100 mg/l 150 mg/l 50 mg/l 250 mg/l 100 mg/l 150 mg/l 50 mg/l 250 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is 25 cm 50 cm 40 cm 20 cm 25 cm 50 cm 40 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A cylindrical ejector having its height 2 m fills after every 10 minutes with a peak sewage discharge of 0.0157 cumec. The diameter of the ejector chamber, is 2.45 m 2.50 m 2.30 m 2.40 m 2.45 m 2.50 m 2.30 m 2.40 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Lead caulked joints are used for laying G.I. pipes Stone ware pipes Earthenware pipes I. pipes G.I. pipes Stone ware pipes Earthenware pipes I. pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In circular sewers if depth of flow is 0.2 times the full depth, the nominal gradient, Is doubled Is only provided Is not enough Is trebled Is doubled Is only provided Is not enough Is trebled ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Disposal to sewage in large cities, is done in Purification Dilution Oxidation Irrigation Purification Dilution Oxidation Irrigation ANSWER DOWNLOAD EXAMIANS APP
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