Environmental Engineering The pathogens can be killed by Nitrification Chlorination None of these Oxidation Nitrification Chlorination None of these Oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Septic tank is a (i) Settling tank (ii) Digestion tank (iii) Aeration tank Only (i) (i) and (iii) Only (iii) (i) and (ii) Only (i) (i) and (iii) Only (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering On standard silica scale, the turbidity in drinking water should be limited to 30 ppm 10 ppm 20 ppm 50 ppm 30 ppm 10 ppm 20 ppm 50 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period for oxidation ponds is usually kept as 48 hours 3 months 10 to 15 days 24 hours 48 hours 3 months 10 to 15 days 24 hours ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The gas from sludge digestion tank is mainly composed of Hydrogen sulphide Carbon dioxide Methane Nitrogen Hydrogen sulphide Carbon dioxide Methane Nitrogen 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 4,00,000 1,00,000 1000 4000 4,00,000 1,00,000 1000 4000 ANSWER DOWNLOAD EXAMIANS APP