The Lewis number which is a measure of relative thermal and concentrat – McqOptions

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1.	The Lewis number which is a measure of relative thermal and concentration boundary layer thicknesses is defined as, (Re: Reynold’s number, Pr: Prandtl number, Sc: Schmidt number)
A.	Re × Pr
B.	Sc/Pr
C.	Re/Sc
D.	Sc × Pr
Answer» C. Re/Sc

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