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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 10
36.
Which of the following assumes constant molal vaporisation and overflow ?
McCabe-Thiele method
Ponchan-Savarit method
Enthalpy concentration method
Plate absorption column
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be
1
> 1
< 1
≤ 1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Selectivity of the solvent used in solvent extraction should be
1
> 1
< 1
0
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Pick out the wrong statement pertaining to leaching.
Fine solids can not be leached in a Pachuka tank.
Door classifier can be used for leaching of coarse solids.
Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor.
Very high temperature is not needed for the leaching of sugar beet.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Wet bulb and dry bulb temperatures becomes identical at __________ percent saturation curve.
100
50
78
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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