Practice question

Why should you avoid braking hard while turning?

  1. Use only the trailer hand valve for normal stopping
  2. It can reduce traction and increase jackknife or rollover risk
  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: B — It can reduce traction and increase jackknife or rollover risk

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 →