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Question no. 10393

In fluid mechanics, heat, and mass transfer, transport properties such as (i) kinematic viscosity (μ), (ii) molecular diffusivity (ζ), and (iii) thermal diffusivity (α) are frequently encountered. What are the dimensional units of these quantities ?

Select your answer for: In fluid mechanics, heat, and mass transfer, transport properties such as (i) kinematic viscosity (μ), (ii) molecular diffusivity (ζ), and (iii) thermal diffusivity (α) are frequently encountered. What are the dimensional units of these quantities ?
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Answer: C. α and θ have units of m2/s, while μ has unit of m/s

Explanation

Kinematic viscosity, molecular diffusivity, and thermal diffusivity all share fundamental dimensional units of square meters per second.

Subject
Engineering
Topic
—
Difficulty
medium

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