Heat Transfer

Q1: At what value of Prandtl number, the hydrodynamic and thermal boundary layers are identical ?

A 0.5

B 1

C 1.5

D 80

ANS:B - 1

When the Prandtl number (Pr) is equal to 1, the hydrodynamic and thermal boundary layers are identical. So, the correct choice is: b) 1



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