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In an operation the slope of the q-line is found...

In an operation the slope of the q-line is found to be 0; then the enthalpy of feed equals enthalpy of _____________

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asked Sep 21, 2022 in Mass Transfer by Julian (37.1k points)

In an operation the slope of the q-line is found to be 0; then the enthalpy of feed equals enthalpy of _____________

(a) Liquid

(b) Vapour

(c) Mixture

(d) None of the mentioned

This question was addressed to me in examination.

My enquiry is from Flash Vaporization Line (q-line) in division Distillation of Mass Transfer

mass transfer
distillation
flash vaporization line (q-line)

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1 Answer

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answered Oct 13, 2022 by Chris (39.8k points)

The correct choice is (b) Vapour

Explanation: Slope of q line = q/q-1

If the enthalpy of feed and vapour are equal then the q becomes zero; q line also becomes zero.

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