Reflux Ratio Concept (Minimum, Maximun & Optimum) MCQ

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• Find the co-relation of the representation.
  ক

  Maximum reflux ratio

  খ

  Optimum reflux ratio

  গ

  Minimum reflux ratio

  ঘ

  None of the mentioned
• The reflux ratio increases by increasing the reflux and decreasing the distillate.
  ক

  True

  খ

  False
• For finding the exact number of trays the reflux ratio should be between minimum and infinity.
  ক

  True

  খ

  False
• Find the representation X.
  ক

  Partial condenser

  খ

  Total condenser

  গ

  Reboiler

  ঘ

  None of the mentioned
• For a minimum reflux ratio ________ condenser or reboiler loads are used.
  ক

  Less

  খ

  More

  গ

  Infinity

  ঘ

  Partial
• For minimum reflux ratio the number of trays becomes infinite.
  ক

  True

  খ

  False
• Estimate the condenser requirement for total reflux.
  ক

  Small condenser

  খ

  Medium condenser

  গ

  Large condenser

  ঘ

  Partial condenser
• Reflux ratio is infinity at
  ক

  Total reflux

  খ

  Minimum reflux

  গ

  Part reflux

  ঘ

  None of the mentioned
• At Total reflux
  ক

  Residue is nil

  খ

  Distillate is nil

  গ

  Reflux is nil

  ঘ

  All of the mentioned
• If the reflux is total, minimum stages are used.
  ক

  True

  খ

  False