Waste Water Engineering If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is 200 mg/l 100 mg/l 400 mg/l 300 mg/l 200 mg/l 100 mg/l 400 mg/l 300 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most efficient cross section of sewers in a separate sewerage system is Circular New egged Rectangular Parabolic Circular New egged Rectangular Parabolic ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic activity is maximum At sewer pipes In sewer treatment plants In freshly produced sewage None of these At sewer pipes In sewer treatment plants In freshly produced sewage None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a fully mechanised composting plant, involves Mechanized receipt All of these Mechanized segregation Mechanized pulverising of refuse Mechanized receipt All of these Mechanized segregation Mechanized pulverising of refuse ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering When drainage to sewage ratio is 20, the peak dry weather flow is Slightly less than 5% of the design discharge None of these 20% of the design discharge Slightly more than 5% of the design discharge Slightly less than 5% of the design discharge None of these 20% of the design discharge Slightly more than 5% of the design discharge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In R.C. sewer pipes, the percentage longitudinal reinforcement to the cross-sectional area of concrete is kept 2 5 0.25 10 2 5 0.25 10 ANSWER DOWNLOAD EXAMIANS APP
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