Waste Water Engineering The width of a settling tank with 2 hour detention period for treating sewage 378 cu m per hour, is 5.5 m 6.5 m 5 m 7 m 5.5 m 6.5 m 5 m 7 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer manholes are generally provided at The change of gradient The junctions of sewers The change of direction All of these The change of gradient The junctions of sewers The change of direction 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 1.59 m 1.49 m 1.69 m 1.39 m 1.59 m 1.49 m 1.69 m 1.39 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For efficient working of a sewer, it must be ensured that A maximum velocity of 0.90 m/sec, is maintained at its maximum flow Neither (A) nor (B) Both (A) and (B) Minimum velocity of 0.45 m/sec, is maintained at its minimum flow A maximum velocity of 0.90 m/sec, is maintained at its maximum flow Neither (A) nor (B) Both (A) and (B) Minimum velocity of 0.45 m/sec, is maintained at its minimum flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention time of a circular tank of diameter d and water depth H, for receiving the sewage Q per hour, is d (0.285d + 0.011H)/Q d (0.785d + 0.011H)/Q d² (0.011d + 0.785H)/Q d (0.022d + 0.085H)/Q d (0.285d + 0.011H)/Q d (0.785d + 0.011H)/Q d² (0.011d + 0.785H)/Q d (0.022d + 0.085H)/Q ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 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 None of these 200 ppm 250 ppm 225 ppm None of these 200 ppm 250 ppm 225 ppm ANSWER DOWNLOAD EXAMIANS APP
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