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MCQs

Total Questions : 56 | Page 4 of 6 pages
Question 31. Solvent lean phase are known as
  1.    Extract
  2.    Raffinate
  3.    Residue
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Raffinate
Answer: (b).Raffinate
Question 32. Find the mixture M in kg if R is 4 kg and E is 10 kg, where E is extract and R is raffinate.Find The Mixture M In Kg If R Is 4 Kg And E Is 10 Kg, Where ...
  1.    6 kg
  2.    10 kg
  3.    14 kg
  4.    20 kg
 Discuss Question
Answer: Option C. -> 14 kg
Answer: (c).14 kg
Question 33. By analysing this extraction equilibrium triangle, find the solvent requirement range.By Analysing This Extraction Equilibrium Triangle, Find The ...
  1.    Less solvent
  2.    More solvent
  3.    No solvent
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> More solvent
Answer: (b).More solvent
Question 34. If the pure solvent is used, find the value of “ys” by analysing the below single stage extractor.
Where, F,S are feed and solventIf The Pure Solvent Is Used, Find The Value Of “ys” By A...
  1.    0
  2.    1
  3.    0-1
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> 0
Answer: (a).0
Question 35. Find the rate of extract in mol/hr ifFind The Rate Of Extract In Mol/hr If
  1.    100
  2.    125
  3.    150
  4.    50
 Discuss Question
Answer: Option B. -> 125
Answer: (b).125
Question 36. Find the process.Find The Process.
  1.    Single stage batch process
  2.    Single stage continuous process
  3.    Multistage continuous process
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Single stage continuous process
Answer: (b).Single stage continuous process
Question 37. Fractional extraction is also known as ________
  1.    Solvent
  2.    Double solvent
  3.    Triple solvent
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Double solvent
Answer: (b).Double solvent
Question 38. For extraction, the distribution co-efficient should be greater than 1.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 39. The composition of substances in the extraction are represented by __________
  1.    Rectangle
  2.    Isosceles triangle
  3.    Equilateral triangle
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Equilateral triangle
Answer: (c).Equilateral triangle
Question 40. The Azeotropic composition of the solute makes the extraction process economical.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False

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