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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 1
1.
Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases.
chemical properties
physical properties
degree of turbulence
interfacial area
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
In a solution containing 0.30 Kg mole of solute and 600 kg of solvent, the molality is
0.50
0.60
2
1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Fenske equation determines the
maximum number of ideal plates.
height of the distillation column.
minimum number of theoretical plates.
optimum reflux ratio.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
The term "cooling range" in a cooling tower refers to the difference in the temperature of
cold water leaving the tower and the wet bulb temperature of the surrounding air.
hot water entering the tower and the wet bulb temperature of the surrounding air.
hot water entering the tower and the cooled water leaving the tower.
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Which of the following is the most suitable for extraction in a system having very low density difference ?
Mixer-settler extractor
Centrifugal extractor
Pulsed extractor
Packed extraction tower
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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