Practice question

What is the purpose of safety chains when towing a full trailer with a drawbar hitch?

To maintain physical connection between the towing truck and trailer if the primary pintle hook or drawbar coupling fails
To lock the trailer brakes permanently
To provide electrical grounding for tail lights
To prevent the trailer tires from puncturing

Answer: A — To maintain physical connection between the towing truck and trailer if the primary pintle hook or drawbar coupling fails

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