Waste Water Engineering The spacing of bars of perforations of fine screens used for the treatment of sewage, is 5 to 8 mm 3 to 5 mm 8 to 10 mm 2 to 3 mm 5 to 8 mm 3 to 5 mm 8 to 10 mm 2 to 3 mm 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 Dry water flow in a combined sewer, is Domestic sewage Inclusive of domestic and industrial sewage but excludes storm water Storm water Industrial sewage Domestic sewage Inclusive of domestic and industrial sewage but excludes storm water Storm water Industrial sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering You are asked to design sewer pipes of diameters 0.4 m to 0.9 m at maximum flow, you will assume the sewer flow running at Two third full Full depth Half full Three fourth full Two third full Full depth Half full Three fourth full ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The value of Chezy’s constant C = 157.6/(1.81 + K/ ) is used in Chezy’s formula Kutter’s formula Bazin’s formula Manning’s formula Chezy’s formula Kutter’s formula Bazin’s formula Manning’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which resists sulphide corrosion, is Cast iron sewer Brick sewer Lead sewer R.C. sewer Cast iron sewer Brick sewer Lead sewer R.C. sewer ANSWER DOWNLOAD EXAMIANS APP
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