Waste Water Engineering 3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 day-incubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is 400 mg/l 200 mg/l 300 mg/l 100 mg/l 400 mg/l 200 mg/l 300 mg/l 100 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a fully mechanised composting plant, involves All of these Mechanized segregation Mechanized receipt Mechanized pulverising of refuse All of these Mechanized segregation Mechanized receipt Mechanized pulverising of refuse ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For providing an Indian type W.C., the R.C.C. slabs in the toilet portion Should be sunk by 20 cm Need not be sunk Should be sunk by 50 cm Should be kept 20 cm above the adjacent portion Should be sunk by 20 cm Need not be sunk Should be sunk by 50 cm Should be kept 20 cm above the adjacent portion ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Pathogens (or pathogenic bacterias) in water may cause All listed here Typhoid Cholera Dysentery All listed here Typhoid Cholera Dysentery ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The laying of sewers is done with Level Magnetic compass Clinometer Theodolite Level Magnetic compass Clinometer Theodolite ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering R.M.O. expenses include All of these Operation expenses Maintenance expenses Running expenses All of these Operation expenses Maintenance expenses Running expenses ANSWER DOWNLOAD EXAMIANS APP
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