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 100 mg/l 300 mg/l 400 mg/l 200 mg/l 100 mg/l 300 mg/l 400 mg/l 200 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most efficient cross-section of sewers in a combined sewerage system is Circular Parabolic Rectangular New egged Circular Parabolic Rectangular New egged ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of sewer lines Obstruction test is carried out with the help of smooth ball of diameter 13 mm All listed here Test for straightness is carried out with the help of a lamp and mirror Water test is carried out to check water tightness of the joints Obstruction test is carried out with the help of smooth ball of diameter 13 mm All listed here Test for straightness is carried out with the help of a lamp and mirror Water test is carried out to check water tightness of the joints ANSWER DOWNLOAD EXAMIANS APP
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 208 cu.m 212 cu.m 216 cu.m 204 cu.m 208 cu.m 212 cu.m 216 cu.m 204 cu.m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of 15°C 0°C 20°C 25°C 15°C 0°C 20°C 25°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following part of human body withstands minimum radiation? Ovaries/testis Eyes Thyroid Kidneys Ovaries/testis Eyes Thyroid Kidneys ANSWER DOWNLOAD EXAMIANS APP
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