Practice question

When should a CMV driver use an escape ramp?

  1. When brakes fail or speed cannot be controlled on a downgrade
  2. Only after reaching the bottom of the hill
  3. Only when the vehicle is empty
  4. Never, because ramps may damage cargo

Answer: A — When brakes fail or speed cannot be controlled on a downgrade

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

Practice more: South Dakota CDL General Knowledge Practice Questions - South Dakota Commercial Driver License General Knowledge Test Exam →