Question

9) In the below diagram, A Curve represents?

(a) Final cost

(b) Operating cost

(c) Feed cost

(d) Tray cost

I got this question in an interview for job.

I'd like to ask this question from Problems When Setting Simulation Input topic in section Rigorous Distillation Calculations of Distillation Design

Answer 1

The correct option is (d) Tray cost

To explain I would say: It represents the Total cost, the tray cost is a nonlinear and exponential relation with reflux and cost outcomes.