Hamad Waste Water Engineering 12/07/2020 A. 30 to 40% B. 40 to 60% C. 60 to 80% D. 80 to 90% Related Mcqs: Pick up the correct statement from the following ?A. Small sewers are cleaned by flushing B. Medium sewers are cleaned by cane rodding C. Medium sewers may be cleaned by pills D. All the above... In the activated sludge process__________________?A. Aeration is continued till stability B. Aeration is done with an admixture of previously aerated sludge C. Sludge is activated by constant stirring D. Water is removed by centrifugal action... The liquid wastes from kitchens, bath rooms and wash basins, is not called________________?A. Liquid waste B. Sullage C. Sewage D. None of these... The sewerage system originates from__________________?A. House sewers B. Lateral sewers C. Branch sewers D. Main sewers... For a peak discharge of 0.0157 cumec, with a velocity of 0.9 m/sec, the diameter of the sewer main, is________________?A. 10 cm B. 12 cm C. 15 cm D. 18 cm...
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