Waste Water Engineering The porosity of sediments in sewer pipes, is usually taken as 0.013 0.012 0.011 0.01 0.013 0.012 0.011 0.01 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 None of these 225 ppm 200 ppm 250 ppm None of these 225 ppm 200 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed 3 2 2.5 1.5 3 2 2.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following resists hydrogen sulphide corrosion? R.C.C. Asbestos cement Glazed ware Glazed stone wares R.C.C. Asbestos cement Glazed ware Glazed stone wares 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 120 cm 150 cm 110 cm 100 cm 120 cm 150 cm 110 cm 100 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In detritus tanks, Flow velocity is kept 0.09 m/sec All listed here Organic and inorganic materials are separated Detention period is kept 3 to 4 minutes Flow velocity is kept 0.09 m/sec All listed here Organic and inorganic materials are separated Detention period is kept 3 to 4 minutes ANSWER DOWNLOAD EXAMIANS APP
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