In fluid flow and heat & mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular diffusivity (θ) and thermal diffusivity (α). The units of these quantities are
A. μ, α and θ all have units of m/s
B. μ, α and θ all have units of m2/s
C. α and θ have units of m2/s, while μ has unit of m/s
D. α and θ have units of m/s, while μ has unit of m2/s
Answer: Option C
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