Question

The corrugation angle of sheets varies from

(a) 28 to 45^o

(b) 30 to 45^o

(c) 90 to 120^o

(d) 55 to 67^o

I have been asked this question by my school principal while I was bunking the class.

My doubt stems from Types of Random Packing topic in division Packing Design and Operation of Distillation Design

Answer 1

Correct option is (a) 28 to 45^o

Best explanation: The corrugation angle of sheets varies from 28 to 45^o. Perforations are sometimes between the two surfaces of channels of communication between the two surfaces.