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MCQs

Total Questions : 143 | Page 15 of 15 pages
Question 141. Estimate the feed rate, if the composition of the more volatile component in the feed is 50% and the residue is 10% and the equilibrium relation is given by y*= 1.975x. Also, the rate of residue is 60 mol/hr.
  1.    213 mol/hr
  2.    313 mol/hr
  3.    413 mol/hr
  4.    513 mol/hr
 Discuss Question
Answer: Option B. -> 313 mol/hr
Answer: (b).313 mol/hr
Question 142. Pre-cooling is required before passing the vapour to the condenser in a still.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 143. Rectifying continuously is known as _____________
  1.    Partialization
  2.    Fractionation
  3.    Condensation
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Fractionation
Answer: (b).Fractionation

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