Question

Thickness of thermal boundary layer is more compared to that of hydrodynamic boundary layer, when the value of Prandtl number is

a.

1

b.

< 1

c.

> 1

d.

> 5

Answer: (b).< 1

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Q. Thickness of thermal boundary layer is more compared to that of hydrodynamic boundary layer, when the value of Prandtl number is

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