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Question 1 of 5
1. Question
Which assumption(s) can be made in order to solve for the unsteady-state concentration profile of component A diffusing through a semi-infinite solid medium?
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Question 2 of 5
2. Question
Consider the problem of mass transfer of a toxic species A from a liquid phase to a gas phase. If there is a significant clean airflow over the surface of the liquid, which assumption can you make? (2 pts)
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Question 3 of 5
3. Question
Which of the following is an appropriate set of non-dimensional variables for υx, x, y, and cA, in a steady-state system of a binary mixture with flow in the x-direction and where the velocity υx can vary in both x and y? (maxυ = maximum velocity, L = domain length, H = domain height, cA0 = concentration of A in the inlet stream) (2 pts)
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Question 4 of 5
4. Question
What assumptions are made when deriving the Reynolds analogy between mass and momentum transfer? (2 pts)
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Question 5 of 5
5. Question
Which of the following is always equal to zero, in turbulent mass transfer?
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