Hamad Waste Water Engineering 30/08/2020 A. 1 in 5 B. 1 in 10 C. 1 in 15 D. 1 in 20 Related Mcqs: Hume steel pipes are__________________?A. Steel pipes B. Steel shell coated from inside with cement mortar C. Steel shell coated from outside with cement mortar D. Both B. and C.... The arrangement made for passing the sewer line below an obstruction below the hydraulic gradient lines called ____________________?A. Inverted syphon B. Depressed sewer C. Sag pipe D. all of these... For design purposes, the normal rate of infiltration of ground water into the sewer, is___________________?A. 500 litres/km/cm B. 1000 litres/km/cm C. 1500 litres/km/cm D. 2000 litres/km/cm... The most dangerous pollutant in vehicular emissions is____________________?A. CO B. SO2 C. CO2 D. O3... pH value of sludge during alkaline regression stage, is__________________?A. More than 7 B. Less than 7 C. Less than 6 D. More than 6...
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