Waste Water Engineering It is customary to design a sewer for D.W.F. on the basis of Four times the average demand Twice the average demand Average demand Thrice the average demand Four times the average demand Twice the average demand Average demand Thrice the average demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The following is the physical characteristic of sewage All listed here Colour Turbidity Odour All listed here Colour Turbidity Odour ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of a sewer is 150 mm, the gradient required for generating self cleansing velocity, is 1 in 100 None of these 1 in 60 1 in 120 1 in 100 None of these 1 in 60 1 in 120 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The bottom of the sewage inlet chamber of septic tanks, is provided an outward slope 1 in 15 1 in 20 1 in 10 1 in 5 1 in 15 1 in 20 1 in 10 1 in 5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering With self cleansing velocity in sewers Neither silting nor scouring occurs at bottom Scouring occurs at bottom Both silting and scouring occur at bottom Silting occurs at bottom Neither silting nor scouring occurs at bottom Scouring occurs at bottom Both silting and scouring occur at bottom Silting occurs at bottom 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 Nitric acid Citric acid Hydrochloric acid Sulphuric acid Nitric acid Citric acid Hydrochloric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
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