Gas Absorption ChE 132 Quiz
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Questions and Answers

What happens to the diffusional driving force when the minimum liquid to gas ratio is reduced in gas absorption?

  • The diffusional driving force will remain constant
  • The diffusional driving force will be less (correct)
  • The diffusional driving force will be zero
  • The diffusional driving force will increase
  • What is the effect on the exit liquid composition when the minimum liquid flow rate is at its minimum value in gas absorption?

  • The exit liquid composition, X1, will be maximum (correct)
  • The exit liquid composition will remain constant
  • The exit liquid composition will be zero
  • The exit liquid composition will be minimum
  • What is the relationship between the time of contact between liquid and gas and the minimum liquid flow rate in gas absorption?

  • The time of contact between liquid and gas is zero
  • The time of contact between liquid and gas in infinite (correct)
  • The time of contact between liquid and gas decreases
  • The time of contact between liquid and gas increases
  • What happens to the slope of the operating line when the minimum liquid flow rate is at its minimum value in gas absorption?

    <p>The slope of the operating line, L’/V’, is minimum</p> Signup and view all the answers

    What happens to the tower/column height when the minimum liquid to gas ratio is reduced in gas absorption?

    <p>The height of tower/column is infinite</p> Signup and view all the answers

    What is the effect on the exit liquid composition when the minimum liquid flow rate is at its minimum value in gas absorption?

    <p>The exit liquid composition will be maximum</p> Signup and view all the answers

    What happens to the diffusional driving force when the minimum liquid to gas ratio is reduced in gas absorption?

    <p>The diffusional driving force decreases</p> Signup and view all the answers

    What is the relationship between the time of contact between liquid and gas and the minimum liquid flow rate in gas absorption?

    <p>The time of contact becomes infinite as the minimum liquid flow rate decreases</p> Signup and view all the answers

    What happens to the tower/column height when the minimum liquid to gas ratio is reduced in gas absorption?

    <p>The tower/column height becomes infinite</p> Signup and view all the answers

    What happens to the slope of the operating line when the minimum liquid flow rate is at its minimum value in gas absorption?

    <p>The slope of the operating line decreases</p> Signup and view all the answers

    What happens to the tower/column height when the minimum liquid to gas ratio is reduced in gas absorption?

    <p>The tower/column must be taller</p> Signup and view all the answers

    What is the effect on the exit liquid composition when the minimum liquid flow rate is at its minimum value in gas absorption?

    <p>The exit liquid composition will be maximum</p> Signup and view all the answers

    What is the relationship between the time of contact between liquid and gas and the minimum liquid flow rate in gas absorption?

    <p>The time of contact between liquid and gas must be greater</p> Signup and view all the answers

    What happens to the slope of the operating line when the minimum liquid flow rate is at its minimum value in gas absorption?

    <p>The slope of the operating line, L’/V’, is minimum</p> Signup and view all the answers

    What happens to the diffusional driving force when the minimum liquid to gas ratio is reduced in gas absorption?

    <p>The diffusional driving force will be less</p> Signup and view all the answers

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