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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 9
1.
Which of the following parameters remains constant during chemical dehumidifica-tion?
Dry bulb temperature
Partial pressure of vapour
Wet bulb temperature
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Drying of a solid involves __________ transfer.
only heat
only mass
both heat and mass
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Mechanism of moisture removal in case of freeze drying of food stuff is by
evaporation
sublimation
dehydration
adsorption
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
The dew point of an unsaturated gas-vapor mixture does not depend upon the __________ of the mixture.
composition
temperature
total pressure
all (a), (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Which is not concerned directly with mass transfer ?
Schmidt number
Sherwood number
Lewis relationship
Froude number
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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