Waste Water Engineering The dimensions of a rectangular settling tank are: length 24 m, width 6 m and depth 3 m. If 2 hour detention period for tanks is recommended, the rate of flow of sewage per hour, is 212 cu.m 208 cu.m 204 cu.m 216 cu.m 212 cu.m 208 cu.m 204 cu.m 216 cu.m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge per person per year, is 25 litres 10 litres 15 litres 20 litres 25 litres 10 litres 15 litres 20 litres ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Primary treatment of sewage consists of removal of Large suspended organic solids Sand and girt Oil and grease Floating materials Large suspended organic solids Sand and girt Oil and grease Floating materials ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pressure exerted by Pressure sewers are designed to be safe in tension All listed here The sewage when running full from inside, is called internal pressure The internal pressure if any, causes tensile stress in the pipe material Pressure sewers are designed to be safe in tension All listed here The sewage when running full from inside, is called internal pressure The internal pressure if any, causes tensile stress in the pipe material ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settlement velocity of a solid (diameter 0.5 mm, specific gravity 1.75) in water having temperature 10°C, is 500 cm/sec 213.5 cm/sec 413.5 cm/sec 313.5 cm/sec 500 cm/sec 213.5 cm/sec 413.5 cm/sec 313.5 cm/sec 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 200 mg/l 400 mg/l 300 mg/l 100 mg/l 200 mg/l 400 mg/l 300 mg/l 100 mg/l ANSWER DOWNLOAD EXAMIANS APP
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