Waste Water Engineering To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of Citric acid Sulphuric acid Nitric acid Hydrochloric acid Citric acid Sulphuric acid Nitric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following tests is used for testing sewer pipes? All of these Mirror test Ball test Water test All of these Mirror test Ball test Water test ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following part of human body withstands minimum radiation? Thyroid Eyes Ovaries/testis Kidneys Thyroid Eyes Ovaries/testis Kidneys ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Nitrogen cycle of sewage, is Liberation of nitrogen-liberation of ammonia-formation of nitrites- formation of nitrates Liberation of nitrogen-formation of nitrates-formation of nitrites-liberation of ammonia 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-liberation of ammonia-formation of nitrites- formation of nitrates Liberation of nitrogen-formation of nitrates-formation of nitrites-liberation of ammonia Formation of nitrates-formation of nitrites-liberation of nitrates-liberation of nitrates Liberation of ammonia-formation of nitrites-formation of nitrates-liberation of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Disposal to sewage in large cities, is done in Irrigation Purification Dilution Oxidation Irrigation Purification Dilution Oxidation ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is 0.05 0.1 0.25 0.5 0.05 0.1 0.25 0.5 ANSWER DOWNLOAD EXAMIANS APP
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