Environmental Engineering The suitable method for disinfection of swimming pool water is Chlorination Lime treatment By using potassium permanganate Ultra violet rays treatment Chlorination Lime treatment By using potassium permanganate Ultra violet rays treatment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In a BOD test, 1.0 ml of raw sewage was diluted to 100 ml and the dissolved oxygen concentration of diluted sample at the beginning was 6 ppm and it was 4 ppm at the end of 5 day incubation at 20°C. The BOD of raw sewage will be 400 ppm 200 ppm 100 ppm 300 ppm 400 ppm 200 ppm 100 ppm 300 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering On standard silica scale, the turbidity in drinking water should be limited to 20 ppm 10 ppm 50 ppm 30 ppm 20 ppm 10 ppm 50 ppm 30 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Carbon dioxide Bleaching powder Sulphur dioxide Chloramines Carbon dioxide Bleaching powder Sulphur dioxide Chloramines ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period for oxidation ponds is usually kept as 3 months 10 to 15 days 24 hours 48 hours 3 months 10 to 15 days 24 hours 48 hours ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For the same solid content, if the quantity of sludge with moisture content of 98% is X, then the quantity of sludge with moisture content of 96% will be X/2 2X X/4 X X/2 2X X/4 X ANSWER DOWNLOAD EXAMIANS APP
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