The Hatta number is important in

Related MCQs

• Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of
• Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number.
• Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are:
• Schmidt number and Lewis number for pure air at atmospheric conditions are respectively
• For turbulent mass transfer in pipes, the Sherwood number depends on the Reynolds number as
• Corresponding to Prandtl number in heat transfer, the dimensionless group in mass transfer is the __________ number.
• Polar organic compounds are normally used as separating agents for the azeotropic and extractive distillation. Which of the following is the most important factor to be considered for the choice of the separating agent for extractive distillation?
• Most important factor to be considered in the selection of packings for absorbers is the __________ of packing.
• In which of the following unit operations, the selectivity is an important parameter?
• Which of the following plays an important role in problems of simultaneous heat and mass transfer?