Waste Water Engineering 3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 day-incubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is 100 mg/l 200 mg/l 300 mg/l 400 mg/l 100 mg/l 200 mg/l 300 mg/l 400 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The use of coarse screens for the disposal of sewage, may be dispensed with by Shredder Comminutor Neither A nor B Both A and B Shredder Comminutor Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A rain sanitary sewer is constructed to carry Sanitary sewage Surface water Storm sewage Ground water Sanitary sewage Surface water Storm sewage Ground water ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The porosity of sediments in sewer pipes, is usually taken as 0.013 0.01 0.012 0.011 0.013 0.01 0.012 0.011 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The effluent of a septic tank is As good as that from a complete treatment Fit for discharge into any open drain Foul and contains dissolved and suspended solids None of these As good as that from a complete treatment Fit for discharge into any open drain Foul and contains dissolved and suspended solids None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the peak discharge of a storm water drain (S.W. Drain) is expected to exceed 150 cumecs, the free board to be provided, is 80 cm 90 cm 100 cm 50 cm 80 cm 90 cm 100 cm 50 cm ANSWER DOWNLOAD EXAMIANS APP
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