Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of

Related MCQs

• Which of the following plays an important role in problems of simultaneous heat and mass transfer?
• Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number.
• Corresponding to Prandtl number in heat transfer, the dimensionless group in mass transfer is the __________ number.
• 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
• In case of cooling towers, the ratio of the rates of heat and mass transfer is indicated by the __________ number.
• __________ number indicates the ratio of the rates of the heat and mass transfer incase of a cooling tower.
• If mass diffusivity in a mixture is equal to the thermal diffusivity, then the Lewis number is
• For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is
• Schmidt number and Lewis number for pure air at atmospheric conditions are respectively
• __________ column is the most suitable for achieving the best performance for mass transfer operations involving liquid with dispersed solids.