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MCQs

Total Questions : 143 | Page 2 of 15 pages
Question 11. The method applicable for Azeotropic rectification is
  1.    McCabe method
  2.    Ponchon method
  3.    Extraction method
  4.    Other method
 Discuss Question
Answer: Option B. -> Ponchon method
Answer: (b).Ponchon method
Question 12. For the maximum boiling mixture, the residue has the azeotropic mixture.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 13. For the azeotropic rectification which, of the following is applicable?
  1.    Distillate should be above bubble point
  2.    To have the excessive vapour loss
  3.    To decrease the internal reflux ratio
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> To decrease the internal reflux ratio
Answer: (c).To decrease the internal reflux ratio
Question 14. To prevent the composition change the vapour should not gets loss from the decanter.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 15. If the reflux is total, minimum stages are used.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 16. At Total reflux
  1.    Residue is nil
  2.    Distillate is nil
  3.    Reflux is nil
  4.    All of the mentioned
 Discuss Question
Answer: Option B. -> Distillate is nil
Answer: (b).Distillate is nil
Question 17. For a minimum reflux ratio ________ condenser or reboiler loads are used.
  1.    Less
  2.    More
  3.    Infinity
  4.    Partial
 Discuss Question
Answer: Option A. -> Less
Answer: (a).Less
Question 18. Estimate the condenser requirement for total reflux.
  1.    Small condenser
  2.    Medium condenser
  3.    Large condenser
  4.    Partial condenser
 Discuss Question
Answer: Option C. -> Large condenser
Answer: (c).Large condenser
Question 19. Reflux ratio is infinity at
  1.    Total reflux
  2.    Minimum reflux
  3.    Part reflux
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Total reflux
Answer: (a).Total reflux
Question 20. For minimum reflux ratio the number of trays becomes infinite.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True

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