Q. Which of the following is directly concerned with psychrometry?
✅ Correct Answer: (A)
Lewis reltionship
Mass Transfer MCQs | Page - 5
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. The 'shanks system' of leaching (i.e., counter-current multiple contact leaching) is used for
✅ Correct Answer: (C)
Both A & B
Q. Which is not concerned directly with mass transfer?
✅ Correct Answer: (D)
Froude number
Q. __________ column is the most suitable for achieving the best performance for mass transfer operations involving liquid with dispersed solids.
✅ Correct Answer: (C)
Plate
Q. In a gas-liquid absorption coloumn, for obtaining the maximum absorption efficiency
✅ Correct Answer: (C)
Both gas as well as liquid streams should be distributed uniformly
Q. In case of binary distillation, increasing the reflux ratio above optimum does not result in the increase of
✅ Correct Answer: (A)
Area between operating line and 45° diagonal x-y diagram
Q. The reflux to a distillation column is 100 moles/hr, when the overhead product rate is 50 moles/hr. The reflux ratio is
✅ Correct Answer: (B)
2
Q. Calculation of mass transfer co-efficient is mostly/normally done using __________ theory.
✅ Correct Answer: (B)
Film
Q. Component A is diffusing in a medium B. The flux NA relative to a stationary point is equal to the flux due to molecular diffusion, if
✅ Correct Answer: (A)
There is equimolar counter diffusion
Q. One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect
✅ Correct Answer: (C)
The fraction vaporised but not the product composition
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