During the final air brake check, how do you test the governor’s cut-in?
Right! Fanning the brake lowers the pressure until the compressor cuts in. 📖 p. 5-6
Who takes it: every CDL class (A, B and C).
Needed to drive a truck or bus with air brakes. Without it, your CDL gets an air brake restriction. 25 questions, 20 right to pass (80%).
During the final air brake check, how do you test the governor’s cut-in?
Right! Fanning the brake lowers the pressure until the compressor cuts in. 📖 p. 5-6
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Practice material, not the official test: check every answer in your state's current handbook. Disclaimer · How the rounds work · DMV