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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 11
36.
Pick out the wrong statement. Raoult's law does not apply, when the
size of component molecules are not equal.
attractive forces between like and unlike molecules in the solution are approximately equal.
component molecules are nonpolar.
chemical combination or molecular association between unlike molecules takes place in the formation of solution.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Water-ethyl alcohal solution can be concentrated (in respect of alcohal concentration) by __________ distillation.
atmospheric
vacuum
high pressure
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
L/mG is the expression for
absorption factor
Brinkman number
slope of operating line in absorber
slope of operating line in stripper.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Extraction of pencillin employs a __________ extraction coloumn.
centrifugal
packed
plate
None of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
In case of gases, the binary diffusivity is proportional to (where, P = pressure)
P
1/P
1/P
P
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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