A fully developed laminar viscous flow through a circular tube has the ratio of maximum velocity to average velocity as
- A. 3.0
- B. 2.0
- C. 2.5
- D. 1.5
Answer: B. 2.0
Explanation: For laminar flow in a circular pipe, $V_{max} = 2 V_{avg}$. For flow between parallel plates, the ratio is 1.5.