In a dual air system, which tank do you watch during the low pressure warning test?
Right! The warning must come on before pressure drops below 55 psi in the tank with the lowest air pressure. 📖 p. 5-7
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%).
In a dual air system, which tank do you watch during the low pressure warning test?
Right! The warning must come on before pressure drops below 55 psi in the tank with the lowest air pressure. 📖 p. 5-7
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Practice material, not the official test: check every answer in your state's current handbook. Disclaimer · How the rounds work · BMV