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 reduced levels of the string at the consecutive sight rails A and B are 203.575 m, 203.475 m respectively. If the difference of their R.D.s is 10 m, the gradient of the sewer line is 1 in 503 upward 1 in 100 downward 1 in 100 upward 1 in 500 upward 1 in 503 upward 1 in 100 downward 1 in 100 upward 1 in 500 upward ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Drop manholes are the manholes Having drains at different levels Without entry ladders With depths more than 3.5 m Without manhole covers Having drains at different levels Without entry ladders With depths more than 3.5 m Without manhole covers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following resists hydrogen sulphide corrosion? R.C.C. Glazed ware Asbestos cement Glazed stone wares R.C.C. Glazed ware Asbestos cement Glazed stone wares 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 5 15 10 20 5 15 10 20 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering As compared to fresh river water, sea water contains oxygen 10% more 10% less 20% less 20% more 10% more 10% less 20% less 20% more ANSWER DOWNLOAD EXAMIANS APP