Waste Water Engineering In Chezy’s formula V = C rs for calculating the velocity of flow in circular sewer of diameter running full, the value of hydraulic mean radius is D/1 D/2 D/3 D/4 D/1 D/2 D/3 D/4 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For non-scouring velocity 5 m/sec, the type of sewers generally preferred to, is Glazed bricks sewers Stone ware sewers Cement concrete sewers Cast iron sewers Glazed bricks sewers Stone ware sewers Cement concrete sewers Cast iron sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For efficient working of a sewer, it must be ensured that 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 Both (A) and (B) Neither (A) nor (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 Both (A) and (B) Neither (A) nor (B) ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 50 ppm 200 ppm 150 ppm 100 ppm 50 ppm 200 ppm 150 ppm 100 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering hydraulically equivalent, the relationship which holds good, is D3/2 = 4 b3/2 D3/8 = 4 b3/8 D8/3 = 4 b8/3 D2/3 = 4 b2/3 D3/2 = 4 b3/2 D3/8 = 4 b3/8 D8/3 = 4 b8/3 D2/3 = 4 b2/3 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering During preliminary treatment of a sewage Floating materials are removed by screening Oil and grease are removed from skimming tanks All listed here Girt and sand are removed by girt chambers Floating materials are removed by screening Oil and grease are removed from skimming tanks All listed here Girt and sand are removed by girt chambers ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS