For turbulent flow of Newtonian fluid in a circular cross-section pipe, the ratio of maximum to average fluid velocity is ________________? August 26, 2021March 9, 2019 by admin For turbulent flow of Newtonian fluid in a circular cross-section pipe, the ratio of maximum to average fluid velocity is ________________? A. 0.5B. 1 C. 0.66 D. < 0.5