Q
Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of__________________?
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A
A. Mass diffusivity to momentum diffusivity
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B
B. Thermal diffusivity to mass diffusivity
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C
C. Momentum diffusivity to thermal diffusivity
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D
D. None of these
Correct Answer:
B. B. Thermal diffusivity to mass diffusivity