Waste Water Engineering Which one of the following gases is most significant as air pollutant? Sulphur-dioxide Carbondioxide Nitrogen Oxygen Sulphur-dioxide Carbondioxide Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which collects the discharge from a collecting system and delivers it to a treatment plant, is known Lateral sewer House sewer Sewer outfall Branch sewer Lateral sewer House sewer Sewer outfall Branch sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a residential colony, sewers of diameters 100 mm, 150 mm and 225 mm were laid with a gradient 1 in 120. Which portion of the sewage system does not choke in due course of time? 150 mm dia All of these 100 mm dia 225 mm dia 150 mm dia All of these 100 mm dia 225 mm dia ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most effective arrangement for diverting excess storm water into a natural drainage, is None of these Leaping weir Overflow weir Siphon spill way None of these Leaping weir Overflow weir Siphon spill way ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum depth of sedimentation tanks, is kept 4.5 m 3.5 m 3 m 4 m 4.5 m 3.5 m 3 m 4 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 Citric acid Nitric acid Hydrochloric acid Sulphuric acid Citric acid Nitric acid Hydrochloric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP