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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 10
46.
Out of two equilibrium curves, first one lies above the diagonal and the second lies below the diagonal in the x-y plot. It means that separation by distillation is
not possible in the second case unless vacuum is applied.
not possible in the second case unless high pressure is applied.
more readily done in the second case compared to first one.
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
'ADDUCTS' and 'CLATHRATES' are used in case of
extractive distillation.
crystallisation.
absorption.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Adsorption is an unit operation which generally involves __________ systems.
liquid-solid
gas-solid
fluid-solid
solid-solid
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
In case of __________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated.
molecular
azeotropic
extractive
flash.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Separation of the isotopes of helium for scientific investigations is done by
reverse osmosis
thermal diffusion
leaching
solvent extraction
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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