Question

If the feed temperature is 2110K and Bubble point is 70^oF, then tm is

(a) 68^oF

(b) 178^oF

(c) 140.5^oF

(d) 259.5^oF

I had been asked this question by my college professor while I was bunking the class.

My enquiry is from Analysis of Existing Columns with Brinkley Method in chapter Column Process Design, Optimization and Shortcut Calculations of Distillation Design

Answer 1

Correct option is (d) 259.5^oF

Explanation: As tM= (308+211)/2 = 259.5^oF.