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1. |
Boundary-Layer Thickness(δ) is the distance from the surface of the solid body in the direction perpendicular to flow, where the velocity of the fluid is equal to: |
A. | Free stream velocity |
B. | 1.2 times the free stream velocity |
C. | 0.99 times the free stream velocity |
D. | None of the above |
Answer» D. None of the above | |