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1. |
How is Reynolds number defined as? |
A. | ratio of pressures in the inlet to the outlet of a pipe |
B. | the product of velocity of the flow and the diameter of the pipe, divided by the kinematic viscosity of fluid |
C. | the product of density of the fluid, velocity of the flow and the diameter of the pipe, divided by the dynamic viscosity of fluid |
D. | ratio of inertia force to viscous force |
Answer» E. | |