Waste Water Engineering The most dangerous pollutant in vehicular emissions is SO₂ O₂ CO₂ CO₂ SO₂ O₂ CO₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bottom openings 15 cm × 15 cm in the standing baffle wall are provided 30 cm c/c 22.5 cm c/c 50 cm c/c 15 cm c/c 30 cm c/c 22.5 cm c/c 50 cm c/c 15 cm c/c ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Maximum permissible velocity 1.5 m/sec, is adopted in drains Neither A. nor B. Both A. and B. Lined with stones With beds of rocks and gravels Neither A. nor B. Both A. and B. Lined with stones With beds of rocks and gravels 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 225 ppm 250 ppm 200 ppm None of these 225 ppm 250 ppm 200 ppm None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 50 ppm 100 ppm 200 ppm 150 ppm 50 ppm 100 ppm 200 ppm 150 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The dimensions of a rectangular settling tank are: length 24 m, width 6 m and depth 3 m. If 2 hour detention period for tanks is recommended, the rate of flow of sewage per hour, is 208 cu.m 216 cu.m 204 cu.m 212 cu.m 208 cu.m 216 cu.m 204 cu.m 212 cu.m ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS