Waste Water Engineering In septic tanks, decomposition of organic bacteria, is done by Aerobic bacteria Anaerobic bacteria Both types of bacterias None of these Aerobic bacteria Anaerobic bacteria Both types of bacterias None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To maintain aerobic biological activity, the moisture content of the compost mass should be about 0.6 0.45 0.5 0.55 0.6 0.45 0.5 0.55 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering R.M.O. expenses include Operation expenses Running expenses All of these Maintenance expenses Operation expenses Running expenses All of these Maintenance expenses ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment units in which anaerobic decomposition of organic matter is used, are called Trickling filters Imhoff tanks None of these Sludge sedimentation tanks Trickling filters Imhoff tanks None of these Sludge sedimentation tanks ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which received discharge from two or more main sewers, is known as An intercepting sewer An outfall sewer A trunk sewer A main sewer An intercepting sewer An outfall sewer A trunk sewer A main sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The standard B.O.D. of water is taken for 2 days 1 day 5 days 3 days 2 days 1 day 5 days 3 days ANSWER DOWNLOAD EXAMIANS APP