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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 10
16.
Flooding in a column results due to
high pressure drop
low pressure drop
low velocity of the liquid
high temperature
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty ?
Grid tray tower
Perforated tray tower
Wetted wall tower
Bubble cap tower
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
A liquid mixture contains 30% o-xylene, 60% p-xylene and 10%. m-xylene (all percentages in w/w). Which of the following statements would be true in respect of this mixture?
The mixture exhibits an azeotrope at 101.3 kPa.
The composition of the mixture, in percent by volume is: o-xylene 30, p-xylene 60. and m-xylene 10.
The composition of the mixture in mole percent is: o-xylene 30, p-xylene 60 and m-xyoene 10.
The mixture contain optical isomers.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Unsaturated air (with dry bulb temperature and dew point being 35°C and 18°C respectively) is passed through a water spray chamber maintained at 15°C. The air will be cooled
and humidified.
and dehumidified with increase in wet bulb temperature.
at the same relative humidity.
and dehumidified with decrease in wet bulb temperature.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
The process employing desorption of the absorbed solute by a solvent is called
elution
osmosis
reverse osmosis
sublimation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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