US Postal Service interview questions

I answered a published announcement seeking experienced Electronic Technicians. After successfully completing an in-house exam of mostly mechanical knowledge with only a few basic electrical and electronic questions I was sent a workbook to complete - questioning my knowledge of mostly mechanical knowledge. Upon their receipt of THAT assignment I was called in for an interview before 3 managers. The first few questions were of electrical troubleshooting knowledge with only basic electronics knowledge - basic digital components and symbols - whether I could comprehend electrical/electronic schematics.

none really just explained the job very briefly, looking back they are really trying to hide what the job is cause its not a good job to have.i wish all interviews were this easy lol