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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 8
36.
For contacting a highly soluble gas with a liquid
bubble the gas through liquid.
spray the liquid on gas stream.
either (a) or (b) would suffice.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
During drying operation, it is easier to remove the __________ moisture.
equilibrium
critical
unbound
bound
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas
increases
decreases
decreases linearly
remains unaffected
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Ion exchange process is similar to
absorption
adsorption
extraction
leaching
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are being withdrawn and feed to the column is stopped). At the new steady state,
composition of vapors and that of liquid do not vary throughout the column.
reboiler load and condenser load are minimum.
the top and bottom compositions are unchanged with and without total reflux.
the top and bottom compositions correspond to the maximum enrichment available.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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