Questions were not difficult. Know your G&M codes. The most important question that he should have asked, do you have your own tools. A real machinist would have their own tools and would know how to use them. You may also be scrutinized by other employees to see if you are a fit. Employer also has a trust issue and will start you out at a low hourly rate. Keep in mind also that pay raises only happens once a year,December. The employer can't make a decision on hiring