Environmental Engineering If the sewage contains grease and fatty oils, these are removed in Grit chambers Sedimentation tanks Skimming tanks Detritus tanks Grit chambers Sedimentation tanks Skimming tanks Detritus tanks ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If Biochemical oxygen demand (BOD) of a town is 20000 kg/day and BOD per capita per day is 0.05 kg, then population equivalent of town is 4000 4,00,000 1000 1,00,000 4000 4,00,000 1000 1,00,000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The characteristics of fresh and septic sewage respectively are Acidic and alkaline Both alkaline Both acidic Alkaline and acidic Acidic and alkaline Both alkaline Both acidic Alkaline and acidic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sludge volume index is defined as the ratio of Percentage of sludge by volume to percentage of suspended solids by weight Percentage of sludge by volume to percentage of total solids by weight Percentage of suspended solids by weight to percentage of sludge by volume Percentage of total solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of suspended solids by weight Percentage of sludge by volume to percentage of total solids by weight Percentage of suspended solids by weight to percentage of sludge by volume Percentage of total solids by weight to percentage of sludge by volume ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following sewers is preferred for combined system of sewage? Rectangular sewer Egg shaped sewer None of these Circular sewer Rectangular sewer Egg shaped sewer None of these Circular sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum permissible limit for fluoride in drinking water is 5 mg/liter 1.5 mg/liter 10 mg/liter 0.1 mg/liter 5 mg/liter 1.5 mg/liter 10 mg/liter 0.1 mg/liter ANSWER DOWNLOAD EXAMIANS APP
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