Q1. What is mass transfer?
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Q2. Which of the following must exist for mass transfer to occur?
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Q3. Fick’s first law relates mass flux to:
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Q4. The unit of diffusion coefficient D is:
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Q5. What does the Schmidt number represent?
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Q6. Mass transfer by convection occurs when:
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Q7. Which operation is an example of mass transfer?
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Q8. In gas absorption, the absorbing liquid:
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Q9. Which of the following is true for molecular diffusion?
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Q10. The driving force for mass transfer is:
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Q11. Interphase mass transfer occurs between:
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Q12. The flux of a species is:
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Q13. Which of the following influences mass transfer coefficient?
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Q14. Which equation is used to estimate diffusion flux?
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Q15. Which factor reduces the rate of mass transfer?
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Q16. In liquid-liquid extraction, mass transfer happens between:
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Q17. Mass transfer coefficients can be enhanced by:
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Q18. Which dimensionless number is used for characterizing mass transfer?
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Q19. The typical unit for mass flux is:
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Q21. Equipments used for gas-liquid mass transfer are:
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Q22. The concentration boundary layer affects:
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Q23. The term "humidification" refers to:
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Q24. In distillation, mass transfer occurs between:
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Q25. Mass transfer in packed beds depends on:
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Q26. The main driving force in chromatography is:
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Q27. Molecular weight affects:
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Q28. In solvent extraction, the solute moves:
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Q29. Which of these is an equipment used for gas absorption?
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Q30. Drying process involves mass transfer of:
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