Which is not concerned directly with mass transfer ?
Correct answer: D. Froude number
- A. Schmidt number
- B. Sherwood number
- C. Lewis relationship
- D. Froude number
Explanation
The Schmidt and Sherwood numbers are directly associated with mass-transfer diffusion and convection, and the Lewis relationship connects heat and mass transfer. The Froude number compares inertial and gravitational forces, so it is not directly a mass-transfer group.
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