Waste Water Engineering The grit chambers of sewage treatment plants, are generally cleaned after 2 days 14 days 7 days 12 days 2 days 14 days 7 days 12 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Cement concrete sewers are only suitable if non-scouring velocity is between 3.0 to 4.0 m/sec 2.5 to 3.0 m/sec 4.5 to 5.5 m/sec 3.5 to 4.5 m/sec 3.0 to 4.0 m/sec 2.5 to 3.0 m/sec 4.5 to 5.5 m/sec 3.5 to 4.5 m/sec 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 Hydrochloric acid Nitric acid Citric acid Sulphuric acid Hydrochloric acid Nitric acid Citric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For treating the sewage of a large city, you will recommend A sedimentation tank and an activated sludge treatment plant A plant consisting of Imhoff tanks with low rate trickling filters Sedimentation tanks with high rate trickling filters None of these A sedimentation tank and an activated sludge treatment plant A plant consisting of Imhoff tanks with low rate trickling filters Sedimentation tanks with high rate trickling filters None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bottom openings 15 cm × 15 cm in the standing baffle wall are provided 50 cm c/c 22.5 cm c/c 30 cm c/c 15 cm c/c 50 cm c/c 22.5 cm c/c 30 cm c/c 15 cm c/c ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment in septic tanks is due to Aerobic decomposition None of these Parasitic decomposition Anaerobic decomposition Aerobic decomposition None of these Parasitic decomposition Anaerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
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