Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 350 to 500 0 to 50 150 to 350 50 to 150 350 to 500 0 to 50 150 to 350 50 to 150 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 1000 4,00,000 1,00,000 4000 1000 4,00,000 1,00,000 4000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are designed for Minimum flow only Maximum and minimum flow Maximum flow only Average flow only Minimum flow only Maximum and minimum flow Maximum flow only Average flow only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of filtered water, which is used for backwashing in rapid sand filters, is about 5 to 7 2 to 4 0.4 to 1.0 0.2 to 0.4 5 to 7 2 to 4 0.4 to 1.0 0.2 to 0.4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The biochemical treatment of sewage effluents is essentially a process of Oxidation Alkalinization Reduction Dehydration Oxidation Alkalinization Reduction Dehydration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The pathogens can be killed by Chlorination None of these Oxidation Nitrification Chlorination None of these Oxidation Nitrification ANSWER DOWNLOAD EXAMIANS APP