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Mass Transfer
Basic Mass Transfer
Quiz 1
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Q.1
For extraction, the distribution co-efficient should be greater that 1.
a) True
b) False
Q.2
The viscosity should be high for the solvents using in extraction operation.
a) True
b) False
Q.3
The Azeotropic composition of the solute makes the extraction process economical.
a) True
b) False
Q.4
Find the separation factor if the ratio of weight fraction of solute in the extract to raffinate is 0.Also given the ratio of dilutant in raffinate to extract is 0.5.
a) 1
b) 1.25
c) 1.5
d) 1.75
Q.5
The separation is possible if the ratio of weight fraction of solute in extract to raffinate is 0.Also given the ratio of dilutant in raffinate to extract is 0.5.
a) True
b) False
Q.6
In absorption operation, the solubility of gas should be high on the solvent.
a) True
b) False
Q.7
The solvent used in the extraction should be more volatile.
a) True
b) False
Q.8
By analysing this extraction equilibrium triangle, find the solvent requirement range.
a) Less solvent
b) More solvent
c) No solvent
d) None of the mentioned
Q.9
For getting rapid absorption rate, low pressure drop and more heat transfer we need?
a) Low viscous solvent
b) More viscous solvent
c) No viscous solvent
d) None of the mentioned
Q.10
In extract, the usage of solvent should be less.
a) True
b) False
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