Q. Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases.
✅ Correct Answer: (D)
Chemical properties
Mass Transfer MCQs | Page - 1
Dear candidates you will find MCQ questions of Mass Transfer here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause __________ plate requirement.
✅ Correct Answer: (B)
Marginal decrease in the number of
Q. The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________
✅ Correct Answer: (C)
1
Q. The interfacial area per unit volume of dispersion, in a gas-liquid contactor, for fractional hold up of gas = 0.1 and gas bubble diameter = 0.5 mm is given by (in m2/m3)
✅ Correct Answer: (A)
500
Q. The ratio of Murphree plate efficiency to point efficiency is 1 in a __________ flow model.
✅ Correct Answer: (B)
Perfectly mixed
Q. Which of the following is an undesirable property in a tower packing?
✅ Correct Answer: (D)
Large weight of liquid retained
Q. The most economical range of absorption factor is
✅ Correct Answer: (C)
1.25 to 2
Q. With increase in temperature, the leaching rate increases because of the
✅ Correct Answer: (C)
Both A and B
Q. Out of two equilibrium curves, first one lies above the diagonal and the second lies below the diagonal in the x-y plot. It means that separation by distillation is
✅ Correct Answer: (C)
More readily done in the second case compared to first one
Q. Leaching of coarse solid lumps is also termed as
✅ Correct Answer: (C)
Percolation
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