Waste Water Engineering For detecting the nitrites in the sewage, the matching colour may be developed by adding None of these Sulphuric acid and napthamine Phenol-di -sulphuric acid potassium hydroxide Potassium permanganate None of these Sulphuric acid and napthamine Phenol-di -sulphuric acid potassium hydroxide Potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The grit chambers of sewage treatment plants, are generally cleaned after 7 days 2 days 14 days 12 days 7 days 2 days 14 days 12 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In the activated sludge process Aeration is continued till stability Aeration is done with an admixture of previously aerated sludge Water is removed by centrifugal action Sludge is activated by constant stirring Aeration is continued till stability Aeration is done with an admixture of previously aerated sludge Water is removed by centrifugal action Sludge is activated by constant stirring ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The quantity of liquid waste which flows in sewers during the period of rainfall, is known None of these Industrial waste Storm sewage Sanitary sewage None of these Industrial waste Storm sewage Sanitary sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A rainfall may be classified as acidic if its pH value is less or equal to 7 6 5 6.5 7 6 5 6.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Nitrogen cycle of sewage, is Liberation of nitrogen-liberation of ammonia-formation of nitrites- formation of nitrates Formation of nitrates-formation of nitrites-liberation of nitrates-liberation of nitrates Liberation of ammonia-formation of nitrites-formation of nitrates-liberation of nitrogen Liberation of nitrogen-formation of nitrates-formation of nitrites-liberation of ammonia Liberation of nitrogen-liberation of ammonia-formation of nitrites- formation of nitrates Formation of nitrates-formation of nitrites-liberation of nitrates-liberation of nitrates Liberation of ammonia-formation of nitrites-formation of nitrates-liberation of nitrogen Liberation of nitrogen-formation of nitrates-formation of nitrites-liberation of ammonia ANSWER DOWNLOAD EXAMIANS APP
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