I applied in-person. The process took 3 months. I interviewed at Koppers (Millington, TN) in Nov 2019
Interview
Multiple people are going to interview you, and ask you varied question. Mainly they are trying to gauge if you are going to fit in the with their culture and not so much concerned with whether or not you can do the job they have no problem training you.
Interview questions [1]
Question 1
describe a time when you handle a difficult situation or dealt with a difficult person.