What is Prandtl number? - Heat Transfer

Q.  Prandtl number is the ratio of
- Published on 11 Aug 15

a. thermal diffusivity (α) to absolute viscosity (μ)
b. absolute viscosity (μ) to thermal diffusivity (α)
c. kinematic viscosity (ν) to thermal diffusivity (α)
d. thermal diffusivity (α) to kinematic viscosity (ν)

ANSWER: kinematic viscosity (ν) to thermal diffusivity (α)

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