Waste Water Engineering Ventilating shafts are provided to a sewer line at every 150 m 100 m 200 m 300 m 150 m 100 m 200 m 300 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of Nitric acid Hydrochloric acid Citric acid Sulphuric acid Nitric acid Hydrochloric acid Citric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most dangerous pollutant in vehicular emissions is O₂ CO₂ SO₂ CO₂ O₂ CO₂ SO₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Carbon dioxide Methane Oxygen Hydrogen sulphide Carbon dioxide Methane Oxygen Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of bars for perforations in coarse screens used for the treatment of sewage, is 50 mm 30 mm 40 mm 20 mm 50 mm 30 mm 40 mm 20 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be 0.9 cm 1.2 m > 1.5 m 1.5 m 0.9 cm 1.2 m > 1.5 m 1.5 m ANSWER DOWNLOAD EXAMIANS APP
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