For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed________________? August 15, 2021January 22, 2019 by admin For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed________________? A. 1.5 B. 2.0 C. 2.5 D. 3.0