Waste Water Engineering Removal of oil and grease from sewage, is known Skimming None of these Filtration Screening Skimming None of these Filtration Screening ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is 0.30 m/sec 0.40 m/sec 0.35 m/sec 0.45 m/sec 0.30 m/sec 0.40 m/sec 0.35 m/sec 0.45 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 Citric acid Hydrochloric acid Sulphuric acid Nitric acid Citric acid Hydrochloric acid Sulphuric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of a sewer is 100 mm, the gradient required for generating self cleansing velocity is 1 in 120 1 in 100 None of these 1 in 60 1 in 120 1 in 100 None of these 1 in 60 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For house drainage minimum gradient is 1 in 10 1 in 80 1 in 60 1 in 400 1 in 10 1 in 80 1 in 60 1 in 400 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Primary treatment of sewage consists of removal of Large suspended organic solids Oil and grease Floating materials Sand and girt Large suspended organic solids Oil and grease Floating materials Sand and girt ANSWER DOWNLOAD EXAMIANS APP