Liquid Extraction(Mass Transfer ) Questions and Answers
Question 1. Find the sum of R and E if the sum of F and S is 80 kmol.
20 kmol
40 kmol
60 kmol
80 kmol
Explanation:-
Answer: Option D. -> 80 kmol Answer: (d).80 kmol
Question 2. Find LPM in the below one pair partially miscible ternary diagram. Where, A,B,C are the pure components
Temperature curve
Solubility Curve
Solution curve
Pressure curve
Explanation:-
Answer: Option B. -> Solubility Curve Answer: (b).Solubility Curve
Question 3. Justify that X represents heterogeneity of the solution.
True
False
May be True or False
Can't Say
Explanation:-
Answer: Option A. -> True Answer: (a).True
Question 4. The point where A and B rich solubility curve merge is known as _________
Pinch point
Plait point
Key point
None of the mentioned
Explanation:-
Answer: Option B. -> Plait point Answer: (b).Plait point
Question 5. Consider a solutropic system; the plait point will be at the maximum addition of (Find from the figure.)
A
B
C
M
Explanation:-
Answer: Option B. -> B Answer: (b).B
Question 6. Find the process.
Batch process
Continuous process
Batch+ continuous process
None of the mentioned
Explanation:-
Answer: Option C. -> Batch+ continuous process Answer: (c).Batch+ continuous process
Question 7. Find the separation factor if the ratio of weight fraction of solute in the extract to raffinate is 0.75. Also given the ratio of dilutant in raffinate to extract is 0.5.
1
1.25
1.5
1.75
Explanation:-
Answer: Option C. -> 1.5 Answer: (c).1.5
Question 8. For getting rapid absorption rate, low pressure drop and more heat transfer we need?
Question 9. The separation is possible if the ratio of weight fraction of solute in extract to raffinate is 0.15. Also given the ratio of dilutant in raffinate to extract is 0.5.
True
False
May be True or False
Can't say
Explanation:-
Answer: Option B. -> False Answer: (b).False
Question 10. In absorption operation, the solubility of gas should be high on the solvent.
