Environmental Engineering Air binding phenomena in rapid sand filters occur due to Mud ball formation Excessive negative head Higher turbidity in the effluent Low temperature Mud ball formation Excessive negative head Higher turbidity in the effluent Low temperature ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Laying of sewers is usually done with the help of A plane table A Theodolite A compass Sight rails and boning rods A plane table A Theodolite A compass Sight rails and boning rods ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum permissible limit for fluoride in drinking water is 5 mg/liter 0.1 mg/liter 10 mg/liter 1.5 mg/liter 5 mg/liter 0.1 mg/liter 10 mg/liter 1.5 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most common cause of acidity in water is Carbon dioxide Nitrogen Oxygen Hydrogen Carbon dioxide Nitrogen Oxygen Hydrogen 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 300 ppm 100 ppm 400 ppm 200 ppm 300 ppm 100 ppm 400 ppm 200 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Composting and lagooning are the methods of Sludge disposal Sludge digestion Filtration Sedimentation Sludge disposal Sludge digestion Filtration Sedimentation ANSWER DOWNLOAD EXAMIANS APP
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