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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 8
1.
__________ is used as an 'entrainer' for the separation of acetic acid-water mixture by distillation.
Furfural
Benzol
Butyl acetate
Hexane
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Rotary dryers cannot handle __________ materials.
free flowing
dry
sticky
grannular
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Pick out the correct statement.
Diffusivity decreases with increase in temperature.
Diffusivity increases with increase in molecular weight.
Diffusivity increases with the size of the individual molecule.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
An example of elutioh is
separation of uranium oxide from its ore by H2SO4 in a Pachuca tank.
separation of sugar from sugar beet by hot water.
dissolution of tannin out of tree barks by water.
recovery of vegetable oils from seeds.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The operating line for an absorber is curved, when plotted in terms of
mole fractions
mole ratios
partial pressure
mass fractions
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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