Chemical Engineering — Test 66
Page 1 of 3
Question 1
Which of the following binary systems is an example of a maximum boiling azeotrope ?
Question 2
Which of the following assumes constant molal vaporisation and overflow ?
Question 3
In case of binary distillation, increasing the reflux ratio above optimum does not result in the increase of_______________________?
Question 4
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 ?
Question 5
For the same feed, feed quality and separation (in a distillation column), with the increase of total pressure, the number of ideal plates will_____________________?
Question 6
Which of the following is an undesirable characteristic for the solvent used in gas absorption ?
Question 7
Flooding in a vapor-liquid contacting equipment occurs in a tray, when the pressure drop through a tray is _______________ the liquid head available in the downcomer?
Question 8
Humid volume, at a given temperature is a/an _______________ function of humidity?
Question 9
Below is given an equilibrium moisture curve of a substance. State which regions represent free moisture and unbound moisture respectively ?
Question 10
The term “approach” in a cooling tower refers to the difference in the temperature of the____________________?