When piggyback transporting, which action should you take to prevent movement?

When piggyback transporting, which action should you take to prevent movement?

• A. Place chocks under the wheels
• B. Rope the vehicles together
• C. Sheet the vehicles
• D. Drive in pairs

Answer: (A)

The key idea is using a physical restraint that stops the wheels from turning. Placing chocks under the wheels provides a solid barrier that prevents any rolling, which is exactly what you need to stop movement when piggyback transporting, especially on slopes or during loading and unloading. Chocks pressed snugly against the tyre and ground stop the vehicle from moving even if there are vibrations or a slight incline, making them a reliable, passive restraint. Rope between the vehicles might help as an extra measure, but it isn’t enough on its own because a rope can slacken or break and won’t stop wheel rotation. Covering the vehicles (sheeting) doesn’t prevent movement at all, and driving in pairs isn’t a method for immobilizing the load.

The key idea is using a physical restraint that stops the wheels from turning. Placing chocks under the wheels provides a solid barrier that prevents any rolling, which is exactly what you need to stop movement when piggyback transporting, especially on slopes or during loading and unloading. Chocks pressed snugly against the tyre and ground stop the vehicle from moving even if there are vibrations or a slight incline, making them a reliable, passive restraint.

Rope between the vehicles might help as an extra measure, but it isn’t enough on its own because a rope can slacken or break and won’t stop wheel rotation. Covering the vehicles (sheeting) doesn’t prevent movement at all, and driving in pairs isn’t a method for immobilizing the load.