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MCQs

Total Questions : 143 | Page 14 of 15 pages
Question 131. Consider an insoluble mixture A and B; Find the Total pressure of the system.
Vapour pressure of A= 50mmHg
Vapour pressure of B= 100 mmHg
  1.    50 mmHg
  2.    100 mmHg
  3.    150 mmHg
  4.    200 mmHg
 Discuss Question
Answer: Option C. -> 150 mmHg
Answer: (c).150 mmHg
Question 132. Ordinary distillation cannot separate Azeotrope.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 133. When the two liquid mixtures are completely insoluble then the total pressure of the mixture is
  1.    Sum of the vapour pressure
  2.    Sum of the partial pressure
  3.    Pressure cannot be determined
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Sum of the vapour pressure
Answer: (a).Sum of the vapour pressure
Question 134. Simple distillation is a___________ process.
  1.    Batch
  2.    Continuous
  3.    Adiabatic
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Batch
Answer: (a).Batch
Question 135. The initial portion of the distillate will be a low volatile component.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 136. For a ternary mixture, the number of cuts required is_________
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option B. -> 2
Answer: (b).2
Question 137. The differential distillation in order to maintain the equilibrium the process should be slow.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 138. After the separation by differential distillation, the high volatile and low volatile components are stored in _____________
  1.    Batch
  2.    Cuts
  3.    Distill
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Cuts
Answer: (b).Cuts
Question 139. The equation applicable for batch distillation is _________
  1.    Frenske’s equation
  2.    Rayleigh equation
  3.    Wilke-chan equation
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Rayleigh equation
Answer: (b).Rayleigh equation
Question 140. Find the rate of distillate, 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.    153 mol/hr
  2.    253 mol/hr
  3.    353 mol/hr
  4.    453 mol/hr
 Discuss Question
Answer: Option B. -> 253 mol/hr
Answer: (b).253 mol/hr

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