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1. |
For flow over a flat plate, the ratio of thermal boundary layer thickness, 'xt' and hydrodynamic boundary layer thickness 'x' is equal to (where, NPr = Prandtl number) |
A. | NPr |
B. | NPr1/3 |
C. | NPr-1 |
D. | NPr-1/3 |
Answer» C. NPr-1 | |