Waste Water Engineering For treating the sewage of a large city, you will recommend A plant consisting of Imhoff tanks with low rate trickling filters A sedimentation tank and an activated sludge treatment plant Sedimentation tanks with high rate trickling filters None of these A plant consisting of Imhoff tanks with low rate trickling filters A sedimentation tank and an activated sludge treatment plant Sedimentation tanks with high rate trickling filters None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal value of over flow rates for plain primary sedimentation tanks, ranges between 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The screens are fixed Parallel to the direction of flow At an angle 30° to 60° to the direction of flow None of these Perpendicular to the direction of flow Parallel to the direction of flow At an angle 30° to 60° to the direction of flow None of these Perpendicular to the direction of flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a city the ratio of the drainage to sewage is 20, the percentage discharge passing through non-monsoon periods, is 10 20 5 15 10 20 5 15 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of sewer lines Obstruction test is carried out with the help of smooth ball of diameter 13 mm All listed here Test for straightness is carried out with the help of a lamp and mirror Water test is carried out to check water tightness of the joints Obstruction test is carried out with the help of smooth ball of diameter 13 mm All listed here Test for straightness is carried out with the help of a lamp and mirror Water test is carried out to check water tightness of the joints ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following resists hydrogen sulphide corrosion? Asbestos cement Glazed ware Glazed stone wares R.C.C. Asbestos cement Glazed ware Glazed stone wares R.C.C. ANSWER DOWNLOAD EXAMIANS APP