Mccabe Thiele Diagram-Line Equation MCQ

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• At total reflux when operating line coincides diagonal line then?
  ক

  xNm= y*

  খ

  xNm= y

  গ

  xNm= yw

  ঘ

  xNm= xw
• If the feed is saturated liquid, then
  ক

  q = 1

  খ

  q= 0.1

  গ

  q = F

  ঘ

  q= 0
• If feed is saturated vapor, then
  ক

  q = 1

  খ

  q= 0.5

  গ

  q= 0

  ঘ

  q= infinite
• Sometime the reboiler is also considered as the
  ক

  Reflux item

  খ

  Extra equity

  গ

  Heat extractor

  ঘ

  Extra Stage
• In the Fenske’s equation, xw and yw are
  ক

  Equilibrium liquid and vapor concentration

  খ

  Equilibrium distilled content

  গ

  Partial vapor concentrations of liquid and solid

  ঘ

  Total vapor and liquid rate
• If the D -> 0, then the condition is called as
  ক

  Total Boil up

  খ

  No distillation

  গ

  No Separation

  ঘ

  Total Reflux
• If the ideal trays are 7.7 and the efficiency of each one is 0.5, then real number of trays are
  ক

  15.4

  খ

  14.1

  গ

  15.0

  ঘ

  18.5
• The real number of trays are obtained as ratio of
  ক

  Number of ideal trays and flow rate

  খ

  Number of ideal trays and efficiency

  গ

  Number of ideal trays and reflux ratio

  ঘ

  Number of ideal trays and stripping ratio
• If R=1.5 and xd= 0.96, then intercept of enriching line is estimated as
  ক

  0.384

  খ

  0.234

  গ

  0.5

  ঘ

  0.96
• The overall material balance of the tower is given by
  ক

  L= V+W

  খ

  F=D+W

  গ

  D= F+HD

  ঘ

  D= V+HD