Waste Water Engineering Lead acetate test in sewer manhole is done to test the presence of Methane gas Diesel vapours Carbondioxide gas Hydrogen sulphide Methane gas Diesel vapours Carbondioxide gas Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The presence of free ammonia in sewage, is detected by Adding potassium permanganate Boiling Adding sulphuric acid Phenol-di-sulphuric acid Adding potassium permanganate Boiling Adding sulphuric acid Phenol-di-sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most efficient cross section of sewers in a separate sewerage system is Circular Parabolic New egged Rectangular Circular Parabolic New egged Rectangular ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by Kutter Chezy Bazin Manning Kutter Chezy Bazin Manning ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the highest non-scouring velocity is achieved in Stone ware sewers Cement concrete sewers Cast iron sewers Glazed bricks sewers Stone ware sewers Cement concrete sewers Cast iron sewers Glazed bricks sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dilution method of disposing of sewage, is not preferred to When sewage is fresh When diluting water has high dissolved oxygen content When diluting water is used for water supply near the point of sewage disposed When the diluting water is having flow currents When sewage is fresh When diluting water has high dissolved oxygen content When diluting water is used for water supply near the point of sewage disposed When the diluting water is having flow currents ANSWER DOWNLOAD EXAMIANS APP
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