Practice question

For an Michigan CDL air-brake vehicle, why is it dangerous to operate a CMV with brakes that are even slightly out of adjustment?

  1. It is not dangerous
  2. Each out-of-adjustment brake provides less stopping force, dramatically increasing total stopping distance and increasing the risk of jackknife or runaway
  3. Fuel mileage drops
  4. The compressor runs hot

Answer: B — Each out-of-adjustment brake provides less stopping force, dramatically increasing total stopping distance and increasing the risk of jackknife or runaway

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

Practice more: Michigan CDL Air Brakes Practice Questions - Michigan CDL Air Brakes Knowledge Test Exam →