Hamad Waste Water Engineering 10/12/2023 A. 1 – B. 1 – C. ½ (1 – D. ½ (1 – Related Mcqs: The sewer pipes__________________?A. Carry sewage as gravity conduits B. Are designed for generating self-cleansing velocities at different discharge C. Should resist the wear and tear caused due to abrasion D. All the above... If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is_________________?A. 100 mg/l B. 200 mg/l C. 300 mg/l D. 400 mg/l... The spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be__________________?A. 0.9 cm B. 1.2 m C. 1.5 m D. > 1.5 m... If is the diameter of upper circular portion, the overall depth of a standard egg shaped section, is___________________?A. D B. 1.25 D C. 1.5 D D. 1.75 D... The ratio of design discharge to the surface area of a sedimentation tank is called____________________?A. Surface loading B. Overflow rate C. Overflow velocity D. All of these...
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