If Prandtl number is greater than the Schmidt number then the...

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If Prandtl number is greater than the Schmidt number, then the

A. Thermal boundary layer lies inside the concentration boundary layer

B. Concentration boundary layer lies inside the thermal boundary layer

C. Thermal & concentration boundary layers are of equal thickness

D. Hydrodynamic(i.e., momentum)boundary layer is thicker than the other two

Answer: Option A

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