Practice question

What are you checking for in trailer suspension?

  1. Broken springs, shifted axles, damaged hangers, and unsafe airbags
  2. Use only the trailer hand valve for normal stopping
  3. Skip the visual inspection if the vehicle moves during a tug test
  4. Drive at normal speed and correct problems after the trip

Answer: A — Broken springs, shifted axles, damaged hangers, and unsafe airbags

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

Practice more: Illinois CDL Combination Practice Questions - Illinois CDL Combination Vehicles Test Exam →