Practice question

On a long downgrade, the primary braking method should be:

  1. Service brakes alone
  2. A combination of engine braking or gearing down with light, intermittent service brake application
  3. Trailer hand valve only
  4. Coasting in neutral

Answer: B — A combination of engine braking or gearing down with light, intermittent service brake application

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

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