The Schmidt number which is defined as, μ/ρ , is the ratio of the

1.	The Schmidt number which is defined as, μ/ρ , is the ratio of the
A.	momentum diffusivity to the mass dif-fusivity.
B.	thermal diffusivity to the mass diffusivity.
C.	momentum diffusivity to the thermal diffusivity.
D.	none of these.
Answer» B. thermal diffusivity to the mass diffusivity.

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