1.

If δ1 and δ2 are the laminar boundary layer thicknesses at a point M distant x from the leading edge when the Reynolds number of the flow are 100 and 484, respectively, then the ratio δ1/δ2 will be

A. 2.2
B. 4.84
C. 23.43
D. 45.45
Answer» B. 4.84


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