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MCQs

Total Questions : 143 | Page 11 of 15 pages
Question 101. The reflux ratio increases by increasing the reflux and decreasing the distillate.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 102. Most economical cost is
  1.    Minimum cost
  2.    Optimum cost
  3.    Balanced cost
  4.    Fixed cost
 Discuss Question
Answer: Option B. -> Optimum cost
Answer: (b).Optimum cost
Question 103. If the operating cost is low, then the fixed cost is more.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 104. If the gas phase composition of a component A is 0.65 and its relative volatility is 2. Find the liquid phase composition.
  1.    0.48
  2.    0.58
  3.    0.68
  4.    0.78
 Discuss Question
Answer: Option A. -> 0.48
Answer: (a).0.48
Question 105. The component A and B has the same boiling point. Can the separation is done by ordinary separation?
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 106. The possibility of separation will be more if the separation factor is 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 107. Find the vapour pressure of component A in an ideal mixture, if its liquid composition and the partial pressure is 0.65 and 260 mmHg.
  1.    260 mmHg
  2.    400 mmHg
  3.    760 mmHg
  4.    Cannot determine
 Discuss Question
Answer: Option B. -> 400 mmHg
Answer: (b).400 mmHg
Question 108. Consider an ideal vapour-liquid binary mixture, find the total pressure if the vapour pressure of A is 260 mmHg and the vapour pressure of B is 520 mmHg and the composition of A in mole fraction is 0.55.
  1.    177 mmHg
  2.    277 mmHg
  3.    377 mmHg
  4.    477 mmHg
 Discuss Question
Answer: Option C. -> 377 mmHg
Answer: (c).377 mmHg
Question 109. At what feed condition the slope of q line is infinity?
  1.    Saturated vapour
  2.    Saturated liquid
  3.    Superheated vapour
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Saturated liquid
Answer: (b).Saturated liquid
Question 110. Find the feed condition from the below distribution curve.
  1.    Saturated vapour
  2.    Saturated liquid
  3.    Superheated vapour
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Superheated vapour
Answer: (c).Superheated vapour

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