Waste Water Engineering For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of 120 cm 100 cm 160 cm 140 cm 120 cm 100 cm 160 cm 140 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For house drainage minimum gradient is 1 in 400 1 in 60 1 in 80 1 in 10 1 in 400 1 in 60 1 in 80 1 in 10 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 200 mg/l 100 mg/l 400 mg/l 300 mg/l 200 mg/l 100 mg/l 400 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the flame of a miner’s safety lamp in a manhole extinguishes within 5 minutes, the sewer certainly contains Hydrogen sulphide Methane Carbon dioxide Oxygen Hydrogen sulphide Methane Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In detritus tanks, All listed here Flow velocity is kept 0.09 m/sec Detention period is kept 3 to 4 minutes Organic and inorganic materials are separated All listed here Flow velocity is kept 0.09 m/sec Detention period is kept 3 to 4 minutes Organic and inorganic materials are separated ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 15 cumecs, the depth d and width are related by For drains up to d = 0.5 B B = 0.5 d B = 0.2 d d = 0.2 B d = 0.5 B B = 0.5 d B = 0.2 d d = 0.2 B ANSWER DOWNLOAD EXAMIANS APP
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