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 1000 1,00,000 4000 4,00,000 1000 1,00,000 4000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of filtration in slow sand filters in million litres per day per hectare is about 50 to 60 1400 to 1500 100 to 150 500 to 600 50 to 60 1400 to 1500 100 to 150 500 to 600 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Scour valves are provided At every depression and dead ends to drain out the waste water that may collect there At street corners to control the flow of water At the foot of rising main along the slope to prevent back running of water At every summit of rising mains At every depression and dead ends to drain out the waste water that may collect there At street corners to control the flow of water At the foot of rising main along the slope to prevent back running of water At every summit of rising mains ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering On standard silica scale, the turbidity in drinking water should be limited to 10 ppm 50 ppm 30 ppm 20 ppm 10 ppm 50 ppm 30 ppm 20 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The gas from sludge digestion tank is mainly composed of Methane Hydrogen sulphide Nitrogen Carbon dioxide Methane Hydrogen sulphide Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection of water results in Removal of hardness Killing of disease bacteria Removal of turbidity Complete sterilisation Removal of hardness Killing of disease bacteria Removal of turbidity Complete sterilisation ANSWER DOWNLOAD EXAMIANS APP
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