Waste Water Engineering When drainage to sewage ratio is 20, the peak dry weather flow is None of these Slightly less than 5% of the design discharge 20% of the design discharge Slightly more than 5% of the design discharge None of these Slightly less than 5% of the design discharge 20% of the design discharge Slightly more than 5% of the design discharge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, decomposition of organic bacteria, is done by Aerobic bacteria Both types of bacterias Anaerobic bacteria None of these Aerobic bacteria Both types of bacterias Anaerobic bacteria None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula Ps = 900/(t + 60) the maximum run off is 0.15 cumec 0.12 cumec 0.20 cumec 0.10 cumec 0.15 cumec 0.12 cumec 0.20 cumec 0.10 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dry weather flow is: Water supply allowance per capita Average annual rate of flow Average daily rate of flow Average monthly rate of flow Water supply allowance per capita Average annual rate of flow Average daily rate of flow Average monthly rate of flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The coagulant which is generally not used for treating the sewage, is Ferric chloride Chlorinated coppers Alum Ferric sulphate Ferric chloride Chlorinated coppers Alum Ferric sulphate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the side of a square sewer is 1000 mm, the diameter of a hydraulically equivalent circular section, is 1065 mm 1045 mm 1095 mm 1075 mm 1065 mm 1045 mm 1095 mm 1075 mm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS