Question:medium

HETP is numerically equal to HTU only when the operating line:

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Analyze operating and equilibrium line orientations to predict performance in separation processes.
Updated On: Jan 17, 2026
  • Lies below the equilibrium line
  • Lies above the equilibrium line
  • Is parallel to the equilibrium line
  • Is far from the equilibrium line
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The Correct Option is C

Solution and Explanation

HETP (Height Equivalent to a Theoretical Plate) equals HTU (Height of a Transfer Unit) when the operating line is parallel to the equilibrium line, signifying a constant mass transfer driving force.
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