Waste Water Engineering For detecting the nitrates in sewage, the colour may be developed by adding Potassium permanganate None of these Phenol-di -sulphuric acid and potassium hydroxide Sulphuric acid and napthamine Potassium permanganate None of these Phenol-di -sulphuric acid and potassium hydroxide Sulphuric acid and napthamine ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For large sewers, maximum distance between manholes may be 50 m 100 m 200 m 300 m 50 m 100 m 200 m 300 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The temperature affects the All of these Biological activity of bacteria in sewage Solubility of gases in sewage Viscosity of sewage All of these Biological activity of bacteria in sewage Solubility of gases in sewage Viscosity of sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The asbestos cement sewers are All of these Not structurally strong to bear large compressive stress Light in weight Susceptible to corrosion by sulphuric acid All of these Not structurally strong to bear large compressive stress Light in weight Susceptible to corrosion by sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bottom openings 15 cm × 15 cm in the standing baffle wall are provided 15 cm c/c 50 cm c/c 22.5 cm c/c 30 cm c/c 15 cm c/c 50 cm c/c 22.5 cm c/c 30 cm c/c ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A safety lamp when inserted in the upper portion of a manhole causes flames. It indicates the presence of Methane gas Petrol vapours Hydrogen sulphide gas Carbondioxide gas Methane gas Petrol vapours Hydrogen sulphide gas Carbondioxide gas ANSWER DOWNLOAD EXAMIANS APP
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