Waste Water Engineering If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Carbon dioxide Hydrogen sulphide Methane Oxygen Carbon dioxide Hydrogen sulphide Methane Oxygen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For treating the sewage of a large city, you will recommend A sedimentation tank and an activated sludge treatment plant None of these Sedimentation tanks with high rate trickling filters A plant consisting of Imhoff tanks with low rate trickling filters A sedimentation tank and an activated sludge treatment plant None of these Sedimentation tanks with high rate trickling filters A plant consisting of Imhoff tanks with low rate trickling filters ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Discrete or granular particles change their Shape Size None of these Weight Shape Size None of these Weight ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following resists hydrogen sulphide corrosion? Asbestos cement R.C.C. Glazed ware Glazed stone wares Asbestos cement R.C.C. Glazed ware Glazed stone wares ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In very first stage of decomposition of the organic matter in sewage Carbondioxide is formed Nitrites are formed Nitrates are formed Ammonia is formed Carbondioxide is formed Nitrites are formed Nitrates are formed Ammonia is formed ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of Imhoff tanks, The velocity of flow is restricted to 0.30 m/minute Detention period is 2 hours The shape is rectangular All of these The velocity of flow is restricted to 0.30 m/minute Detention period is 2 hours The shape is rectangular All of these ANSWER DOWNLOAD EXAMIANS APP
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