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# Ficks Law - Mass Transfer MCQ Questions

Ficks Law MCQs : Here you will find MCQ Questions related to "Ficks Law" in Mass Transfer. These Ficks Law MCQ Questions Will help you to improve your Mass Transfer knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations

Question 1

In which year, Adolf Fick described the Fick’s Law of Diffusion?

A. 1850
B. 1855
C. 1860
D. 1865

Question 2

A diffusion process that does NOT obey Fick’s laws is known as?

A. Anomalous diffusion
B. Non-Fickian diffusion
C. Both A and B
D. None of the above

Question 3

How many Fick’s Law there?

A. 2
B. 3
C. 4
D. 5

Question 4

Which Law states Movement of solute from higher concentration to lower concentration across a concentration gradient?

A. Fick’s First Law
B. Fick’s Second Law
C. Both A and B
D. Fick's Third Law

Question 5

What is the molecular weight of ammonia?

A. 21
B. 23
C. 25
D. 29

Question 6

Diffusion equations from Fick’s law are used to fabricate integrated circuits.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

Question 7

What is the value of Schmidt number for hydrogen?

A. 0.13
B. 0.17
C. 0.21
D. 0.22

Question 8

Consider loss of ethanol vapor by diffusion from a half-filled open test tube. At what point in the diffusion path will the contribution of the bulk flow term to the molar flux be maximum?

A. In the bulk gas
B. In the bulk liquid
C. At the liquid-gas interface
D. None of the above

Question 9

Which among the following is the statement of the ‘Fick’s Law’?

A. The mass flux of species relative to an observer moving with the molar average velocity is proportional to the concentration gradient of the species.
B. The molar flux of species relative to an observer moving with the molar average velocity is proportional to the concentration gradient of the species.
C. The molar flux of species relative to an observer moving with the mass average velocity is proportional to the concentration gradient of the species
D. The molar flux of species relative to a stationary observer is proportional to the concentration gradient of the species