Warming up of a compound and feeding it to an extruder is the operation of _________
(a) Tubing
(b) Tumbling
(c) Buffing
(d) Trimming
I got this question by my school principal while I was bunking the class.
I'd like to ask this question from Vulcanization and Forming of Rubber, Adhesion Process and their Types topic in portion Glass & Elastomers of Engineering Material & Metallurgy