I applied in-person. The process took 2 weeks. I interviewed at LiUNA (Valparaiso, IN) in Jun 2018
Interview
There was no formal interview, but there was a meet and greet and conversatoin as to what they expect from you and how the apprenticeship will work. It was pretty straightforward
Interview questions [1]
Question 1
Common sense questions and "can you pass a drug test"