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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 11
46.
The Hatta number is important in
multicomponent distillation.
binary distillation.
gas absorption without chemical reaction.
gas absorption with chemical reaction.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
When a multistage tray tower uses a minimum reflux ratio, it implies
infinite trays and maximum reboiler heat load.
infinite trays and minimum reboiler heat load.
minimum trays and minimum reboiler heat load.
minimum trays and maximum reboiler heat load
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
CO2 can be absorbed by
hot cupric oxide
heated charcoal
cold Ca(OH)2
alumina
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
For the same process conditions, the reflux ratio of an unlagged distillation column
decreases in winter
increases in winter
increases in summer
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
An ideal tower packing should not
have low weight per unit volume.
have large surface area per unit volume.
have large free cross-section.
hold up large amount of liquid in the packing.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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