Waste Water Engineering In sewers the highest non-scouring velocity is achieved in Cast iron sewers Cement concrete sewers Stone ware sewers Glazed bricks sewers Cast iron sewers Cement concrete sewers Stone ware sewers Glazed bricks sewers ANSWER DOWNLOAD EXAMIANS APP
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 300 mg/l 100 mg/l 400 mg/l 200 mg/l 300 mg/l 100 mg/l 400 mg/l 200 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Facultative bacteria survive in Both cases A and B The presence of oxygen Neither A nor B The absence of oxygen Both cases A and B The presence of oxygen Neither A nor B The absence of oxygen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Clogging of sewers, is caused due to Low discharge All of these Greasy and oily matters Silting Low discharge All of these Greasy and oily matters Silting ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design purposes, the normal rate of infiltration of ground water into the sewer, is 500 litres/km/cm 1500 litres/km/cm 1000 litres/km/cm 2000 litres/km/cm 500 litres/km/cm 1500 litres/km/cm 1000 litres/km/cm 2000 litres/km/cm 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 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 Should be sunk by 20 cm Need not be sunk Should be sunk by 50 cm ANSWER DOWNLOAD EXAMIANS APP
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