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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 4
41.
__________ extractor uses centrifugal force for separating the two phases.
Treybal
Schiebel
Podbielniak
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of
1.5
-0.6
-1.5
0.6
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Pick out the wrong statement.
Mechanical agitation is required, if the system has low interfacial tension.
Seive tray towers are generally used for systems having low interfacial tension.
When Henry's law constant is very small, then the mass transfer rate is controlled by the gas film resistance.
Taylor-Prandtl analogy for heat and mass transfer considers the transfer through both laminar and turbulent layers.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Acetic acid will be most economically separated from a dilute solution of acetic acid in water by
solvent extraction
continuous distillation
evaporation
absorption
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Design calculation for multiple component distillation is done by
Ponchon-Savarit method
Mccabe-Thiele method
enthalpy concentration method
tray to tray calculations.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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