Environmental Engineering The working conditions in imhoff tanks are Anaerobic only Aerobic only Aerobic in lower compartment and anaerobic in upper compartment anaerobic in lower compartment and aerobic in upper compartment Anaerobic only Aerobic only Aerobic in lower compartment and anaerobic in upper compartment anaerobic in lower compartment and aerobic in upper compartment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum discharge of a tube well is about 1000 liters/sec 500 liters/sec 50 liters/sec 5 liters/sec 1000 liters/sec 500 liters/sec 50 liters/sec 5 liters/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be 20 mm/hr 10 mm/hr 40 mm/hr 4 mm/hr 20 mm/hr 10 mm/hr 40 mm/hr 4 mm/hr ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The dissolved oxygen level in natural unpolluted waters at normal temperature is found to be of the order of 1 mg/liter 1000 mg/liter 100 mg/liter 10 mg/liter 1 mg/liter 1000 mg/liter 100 mg/liter 10 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is 4 ppm 10 ppm 1 ppm 40 ppm 4 ppm 10 ppm 1 ppm 40 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection of water results in Complete sterilisation Removal of turbidity Removal of hardness Killing of disease bacteria Complete sterilisation Removal of turbidity Removal of hardness Killing of disease bacteria ANSWER DOWNLOAD EXAMIANS APP
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