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 100 cm 160 cm 140 cm 120 cm 100 cm 160 cm 140 cm 120 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The laying of sewers is done with Magnetic compass Clinometer Level Theodolite Magnetic compass Clinometer Level Theodolite 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 100 mg/l 200 mg/l 400 mg/l 300 mg/l 100 mg/l 200 mg/l 400 mg/l 300 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pH value of fresh sewage is usually More than 7 Less than 7 Equal to 7 Equal to zero More than 7 Less than 7 Equal to 7 Equal to zero ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Drop manholes at the junctions of sewer lines, are provided if Ordinary manhole cannot be built Two sewer lines intersect Sewer line runs along a main road Invert level of a branch sewer is more than 60 cm that of the main sewer Ordinary manhole cannot be built Two sewer lines intersect Sewer line runs along a main road Invert level of a branch sewer is more than 60 cm that of the main sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering ¾th or ¼th extra space is left in sewer pipes at maximum discharge for Large scale infiltration of storm water All listed here Unexpected increase in population Low estimates of the average and maximum flows Large scale infiltration of storm water All listed here Unexpected increase in population Low estimates of the average and maximum flows ANSWER DOWNLOAD EXAMIANS APP
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