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1. |
The boundary layer thickness for an incompressible, laminar flow at a distance x with Reynolds number Rex is . Which is____ |
A. | Directly proportional to x |
B. | Inversely proportional to x |
C. | Directly proportional to Re<sub>x</sub> |
D. | Inversely proportional to Re<sub>x</sub><sup>2</sup> |
Answer» B. Inversely proportional to x | |