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 Half full Three fourth full Two third full Full depth Half full Three fourth full Two third full Full depth ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Lead acetate test in sewer manhole is done to test the presence of Carbondioxide gas Diesel vapours Methane gas Hydrogen sulphide Carbondioxide gas Diesel vapours Methane gas Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrites in the sewage, the matching colour may be developed by adding None of these Phenol-di -sulphuric acid potassium hydroxide Potassium permanganate Sulphuric acid and napthamine None of these Phenol-di -sulphuric acid potassium hydroxide Potassium permanganate Sulphuric acid and napthamine ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas which may cause explosion in sewers, is Methane Carbondioxide Ammonia Carbon monoxide Methane Carbondioxide Ammonia Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Cement concrete sewers are only suitable if non-scouring velocity is between 2.5 to 3.0 m/sec 3.5 to 4.5 m/sec 4.5 to 5.5 m/sec 3.0 to 4.0 m/sec 2.5 to 3.0 m/sec 3.5 to 4.5 m/sec 4.5 to 5.5 m/sec 3.0 to 4.0 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 Sulphuric acid Citric acid Nitric acid Hydrochloric acid Sulphuric acid Citric acid Nitric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
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