Mach number is the ratio of the speed of the

Question: Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of
[A].

mass diffusivity to momentum diffusivity.

[B].

thermal diffusivity to mass diffusivity.

[C].

momentum diffusivity to thermal diffusivity.

[D].

none of these.

Answer: Option B

Explanation:

No answer description available for this question.