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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 7
36.
Measurement of the interfacial area of mass transfer is achieved easily & accurately in case of a __________ coloumn.
spray
packed
bubble cap plate
wetted wall
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
With the lowering of equiliDrium pressure, at a given temperature, the amount of ad-sorbate on the adsorbent
increases.
decreases.
remains same.
either (a) or (b), depends on the system.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Mass transfer co-efficient is defined as
Flux = Co-efficient/concentration difference.
Co-efficient = Flux/concentration difference.
Flux=concentration difference/co-effi-cient.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
When an unsaturated air-water mixture is heated at constant pressure, then
the partial pressure of water vapour increases.
the specific humidity decreases.
The relative humidity increases.
the relative humidity decreases.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
During sensible cooling process
relative humidity decreases
relative humidity increases
wet bulb temperature decreases
both (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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