Question

The carbon steel has the wall thickness and void age of?

(a) ½ inch and 92%

(b) 1/8 inch and 74%

(c) 2/3 inch and 70%

(d) ¼ inch and 50%

I have been asked this question during an online exam.

Question is taken from Packing Types and Objectives in section Packing Design and Operation of Distillation Design

Answer 1

Right answer is (a) ½ inch and 92%

For explanation: The carbon steel packing’s have ½ inch and 92% void age whereas the Raschig rings have 1/8 inch diameter and 74% void age available.