Waste Water Engineering For detecting the nitrites in the sewage, the matching colour may be developed by adding Phenol-di -sulphuric acid potassium hydroxide Sulphuric acid and napthamine Potassium permanganate None of these Phenol-di -sulphuric acid potassium hydroxide Sulphuric acid and napthamine Potassium permanganate None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The recommended detention period for grit chambers is 2 minutes 3 minutes 1 minute 5 minutes 2 minutes 3 minutes 1 minute 5 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum diameter of a sewer is kept 10 cm 15 cm 20 cm 25 cm 10 cm 15 cm 20 cm 25 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The temperature affects the 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 All of these Biological activity of bacteria in sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Depletion of ozone layer in the outer atmosphere may cause Lung cancer Heart disorder Skin cancer Bronchitis Lung cancer Heart disorder Skin cancer Bronchitis ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In very first stage of decomposition of the organic matter in sewage Nitrites are formed Carbondioxide is formed Ammonia is formed Nitrates are formed Nitrites are formed Carbondioxide is formed Ammonia is formed Nitrates are formed ANSWER DOWNLOAD EXAMIANS APP
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