The New York manual says vehicles built since which year all have automatic slack adjusters?
New York gives 1991. You still check them, because an automatic adjuster that is out of adjustment points to a fault rather than to neglect.
The section applicants fail most often. Pressure figures differ by state manual.
Most Air Brakes questions are the same federal material in every state. 4 questions in the app are written for New York alone, from the New York State Commercial Driver's Manual CDL-10.
New York gives 1991. You still check them, because an automatic adjuster that is out of adjustment points to a fault rather than to neglect.
New York sets the visible warning at 60 psi. Once it shows, stop while you still have enough air to brake normally.
One example, answer shown. Practicing the rest happens in the app.
The governor 'cut-out' pressure is about 125 psi. When tank pressure falls to roughly 100 psi, the governor cuts back in and the compressor resumes pumping.