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0 votes	769 views	1 answer	Self-cleansing velocity is updated 9 years ago by Civil Engineer
0 votes	768 views	1 answer	In a fully mechanised composting plant, involves updated 9 years ago by Civil Engineer
0 votes	1644 views	1 answer	For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed updated 9 years ago by Civil Engineer
0 votes	767 views	1 answer	In olden days the type of section adopted in trunk and out fall sewers was updated 9 years ago by Civil Engineer
0 votes	1459 views	1 answer	The width of a rectangular sewer is twice its depth while discharging 1.5 m/sec. The width of the sewer is updated 9 years ago by Civil Engineer
0 votes	757 views	1 answer	Assertion (A) : Discharging the effluents from the oxidation ponds just up stream of lakes or reservoirs is undesirable. Reason (R) : The discharged algae get settled in the reservoirs and cause anaerobic decomposition and other water qualities. updated 9 years ago by Civil Engineer
0 votes	780 views	1 answer	The non-clog pump which permits solid matter to pass out with the liquid sewage, is updated 9 years ago by Civil Engineer
0 votes	783 views	1 answer	If the diameter of sewer is 225 mm, the gradient required for generating self cleansing velocity, is updated 9 years ago by Civil Engineer
0 votes	764 views	1 answer	If D is the diameter of upper circular portion, the overall depth of a standard egg shaped section, is updated 9 years ago by Civil Engineer
0 votes	821 views	1 answer	If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is updated 9 years ago by Civil Engineer