Waste Water Engineering To prevent settling down of sewage both at the bottom and on the sides of a large sewer, self-cleaning velocity recommended for Indian conditions, is 0.70 m/sec 0.50 m/sec 0.75 m/sec 0.60 m/sec 0.70 m/sec 0.50 m/sec 0.75 m/sec 0.60 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is 250 ppm 200 ppm 225 ppm None of these 250 ppm 200 ppm 225 ppm None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Imhoff cone is used to determine Settleable solids Suspended solids None of these Dissolved solids Settleable solids Suspended solids None of these Dissolved solids 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 1.5 m 1.2 m 0.9 cm > 1.5 m 1.5 m 1.2 m 0.9 cm > 1.5 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering pH value of sludge during alkaline regression stage, is Less than 6 More than 7 Less than 7 More than 6 Less than 6 More than 7 Less than 7 More than 6 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dilution method of disposing of sewage, is not preferred to When diluting water is used for water supply near the point of sewage disposed When diluting water has high dissolved oxygen content When sewage is fresh When the diluting water is having flow currents When diluting water is used for water supply near the point of sewage disposed When diluting water has high dissolved oxygen content When sewage is fresh When the diluting water is having flow currents ANSWER DOWNLOAD EXAMIANS APP
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