Hamad Waste Water Engineering 30/07/2020 A. 90 % B. 95 % C. 99 % D. 9.9 % Related Mcqs: The rainfall at any place may be determined by__________________?A. Its intensity B. Its direction C. Its frequency D. All the above... 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... The digested sludge from septic tanks, is removed after a maximum period of__________________?A. 3 years B. 3.5 years C. 4 years D. 5 years... Fresh sewage may become stale in_________________?A. One hour B. Two to three hours C. Three to four hours D. Six hours... If the over land flow from the critical point to the drain is 8 km and the difference in level is 12.4 m, the inlet time is________________?A. 2 hours B. 3 hours C. 4 hours D. 5 hours...
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