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 Slightly more than 5% of the design discharge 20% of the design discharge Slightly less than 5% of the design discharge None of these Slightly more than 5% of the design discharge 20% of the design discharge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which collects the discharge from a collecting system and delivers it to a treatment plant, is known House sewer Branch sewer Lateral sewer Sewer outfall House sewer Branch sewer Lateral sewer Sewer outfall ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known Chemical Oxygen Demand (C.O.D.) Bio-Chemical Oxygen Demand (B.O.D.) Dissolved Oxygen (D.O.) None of these Chemical Oxygen Demand (C.O.D.) Bio-Chemical Oxygen Demand (B.O.D.) Dissolved Oxygen (D.O.) None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A five day B.O.D. at 15°C of the sewage of a town is 100 kg/day. If the 5 day B.O.D. per head at 15°C for standard sewage is 0.1 kg/day, the population equivalent is 10000 5000 100 1000 10000 5000 100 1000 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 1045 mm 1075 mm 1095 mm 1065 mm 1045 mm 1075 mm 1095 mm 1065 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Skimming tanks are Used to remove the grease and oil Tanks provided with self- cleansing screens Improved version of grit chambers Those from which sludge is skimmed out Used to remove the grease and oil Tanks provided with self- cleansing screens Improved version of grit chambers Those from which sludge is skimmed out ANSWER DOWNLOAD EXAMIANS APP