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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 5
21.
A packed tower compared to a plate tower for a particular mass transfer operation
incurs smaller pressure drop.
allows installation of cooling coils.
is less costly when built in large sizes/diameters.
is more suitable, if suspended solids are present in fluid streams.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Which of the following is the most commonly used leaching solvent in vegetable oil industry ?
Phenol
Hexane
Furfurol
Liquid SO2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
In an absorber, HETP does not vary with the
flow rate of liquid
flow rate of gas
type and size of packing
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Large quantity of silica gel is normally dried in a __________ dryer.
freeze
through circulation
rotary vacuum
tray
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
For the same system, if the same liquid used in an absorber is decreased, the tower height will
increase
decrease
remain unaffected
decrease or increase ; depends on the type of liquid
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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