Waste Water Engineering In sewers designed with self cleansing velocity, The bottom is scoured The bottom is silted Neither silting nor scouring occurs at the bottom Both silting and scouring occur at the bottom The bottom is scoured The bottom is silted Neither silting nor scouring occurs at the bottom Both silting and scouring occur at the bottom ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed 3 2.5 2 1.5 3 2.5 2 1.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In detritus tanks, Flow velocity is kept 0.09 m/sec All listed here Detention period is kept 3 to 4 minutes Organic and inorganic materials are separated Flow velocity is kept 0.09 m/sec All listed here Detention period is kept 3 to 4 minutes Organic and inorganic materials are separated ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of design discharge to the surface area of a sedimentation tank is called Overflow velocity Overflow rate Surface loading All of these Overflow velocity Overflow rate Surface loading All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the discharge of a sewer running half is 628 1.p.s., i = 0.001, and n = 0.010, the diameter of the sewer, is 1.69 m 1.39 m 1.59 m 1.49 m 1.69 m 1.39 m 1.59 m 1.49 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of bars of perforations of fine screens used for the treatment of sewage, is 8 to 10 mm 5 to 8 mm 3 to 5 mm 2 to 3 mm 8 to 10 mm 5 to 8 mm 3 to 5 mm 2 to 3 mm ANSWER DOWNLOAD EXAMIANS APP
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