21. JD factor for mass transfer is a function of Reynolds number. Mass transfer by molecular diffusion from a single drop to surrounding still air is given by
22. The minimum liquid rate to be used in an absorber corresponds to an operating line
23. Which of the following is an undesirable property for an absorbing solvent?
24. The operating line for an absorber is curved, when plotted in terms of
25. In most of the mechanically agitated liquid-liquid extractors, baffles or horizontal compartmental plates are provided, which helps in
26. Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time)
27. In paper industry, paper is dried in a __________ dryer.
28. Calcium ammonium nitrate (a fertiliser) is dried in a __________ dryer.
29. As per Gilliland's equation, the diffusivity is
30. H2S present in naphtha reformed gas is removed by absorbing with
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