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0 votes	854 views	1 answer	The drop man holes are generally provided in sewers for updated 10 years ago by Civil Engineer
0 votes	919 views	1 answer	The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is updated 10 years ago by Civil Engineer
0 votes	852 views	1 answer	The gradient of sewers depends upon updated 10 years ago by Civil Engineer
0 votes	1463 views	1 answer	For providing an Indian type W.C., the R.C.C. slabs in the toilet portion updated 10 years ago by Civil Engineer
0 votes	856 views	1 answer	The digested sludge from septic tanks, is removed after a maximum period of updated 10 years ago by Civil Engineer
0 votes	854 views	2 answers	Maximum permissible velocity 1.5 m/sec, is adopted in drains updated 10 years ago by Civil Engineer
0 votes	2185 views	1 answer	Rate of flow of sewage is generally assumed updated 10 years ago by Civil Engineer
0 votes	893 views	1 answer	The clarigesters are updated 10 years ago by Civil Engineer
0 votes	876 views	1 answer	If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is updated 10 years ago by Civil Engineer
0 votes	1911 views	1 answer	In sewers the effect of scouring is more on updated 10 years ago by Civil Engineer