Practice question

The service brake system:

  1. Applies and releases the brakes when you press the brake pedal while driving normally.
  2. Applies and releases the parking brakes.
  3. Applies and releases the emergency brake.
  4. Applies and releases the axle brake.

Answer: A — Applies and releases the brakes when you press the brake pedal while driving normally.

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: Florida CDL Air Brakes Test 2 →