7147Chemical EngineeringMedium
Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of________?
AMass diffusivity to momentum diffusivity
BMomentum diffusivity to thermal diffusivity
CThermal diffusivity to mass diffusivity
DNone of these
Correct answer
C. Thermal diffusivity to mass diffusivity
Explanation
The correct answer is Thermal diffusivity to mass diffusivity.