Waste Water Engineering The spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be 1.2 m 1.5 m 0.9 cm > 1.5 m 1.2 m 1.5 m 0.9 cm > 1.5 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the velocity of flow should not be Less than 10 m/sec More than 20 m/sec More than the self-cleansing velocity Less than the self-cleansing velocity Less than 10 m/sec More than 20 m/sec More than the self-cleansing velocity Less than the self-cleansing velocity ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage discharge in a detritus tank of a treatment plant is 576 litres/sec with flow velocity of 0.2 m/sec. If the ratio of width to depth is 2, the depth is 110 cm 100 cm 120 cm 150 cm 110 cm 100 cm 120 cm 150 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Kjeldahl nitrogen is a mixture of Organic nitrogen and ammonia Ammonia and nitrogen All listed here Nitrogen and organic nitrogen Organic nitrogen and ammonia Ammonia and nitrogen All listed here Nitrogen and organic nitrogen ANSWER DOWNLOAD EXAMIANS APP
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/2 D/3 D/4 D/1 D/2 D/3 D/4 D/1 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 250 ppm 225 ppm None of these 200 ppm 250 ppm 225 ppm None of these 200 ppm ANSWER DOWNLOAD EXAMIANS APP
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