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The ratio of maximum sewage flow to average sewage flow for trunk mains having diameters more than 1.25 m, is____________________?

/ Civil Engineering Mcqs, Waste Water Engineering / By
The ratio of maximum sewage flow to average sewage flow for trunk mains having diameters more than 1.25 m, is____________________?

A. 1.5
B. 2.0
C. 3.0
D. 4.0