First check
Direct answer
Check the air gauge rise, audible leaks, drain valves, gladhand seals, compressor cut-in/cut-out behavior, and the required pre-trip air test sequence. Use the current equipment manual, code book, employer procedure, and qualified supervision before applying this on live work.
How to use this answer
Read the answer once, then prove it by choosing an answer in a practice question before looking at the explanation. If the miss repeats, tag the domain as CDL air brakes and drill a smaller set before returning to mixed practice.