You've parked with the spring brakes on and want extra holding. Should you also press the brake pedal hard?
Right! Pressing the pedal with the spring brakes on combines the forces and can damage the brakes. 📖 p. 5-3
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%).
You've parked with the spring brakes on and want extra holding. Should you also press the brake pedal hard?
Right! Pressing the pedal with the spring brakes on combines the forces and can damage the brakes. 📖 p. 5-3
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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