CDL General Knowledge TestTransporting Cargo SafelyEasy
A driver is transporting a partial load of sand in a dump truck. What is the primary concern regarding this type of cargo?
- AThe sand could absorb moisture, increasing its weight unexpectedly.
- BThe sand may become airborne and damage other vehicles.
- CThe weight of the sand could exceed the truck's gross vehicle weight rating (GVWR).
- DThe load may shift forward or backward, affecting vehicle stability.
Show answer & explanationAnswer & explanation
Correct answer: D. The load may shift forward or backward, affecting vehicle stability.
Partial loads of loose bulk materials like sand can shift significantly during braking or acceleration, which can seriously compromise vehicle stability and control. Proper loading and securement are crucial to prevent such shifts.
Why the other options are wrong
- A. While possible, moisture absorption is a secondary concern compared to the immediate hazard of load shifting.
- B. While possible, airborne sand is less of a primary safety concern than load shift for vehicle control.
- C. This is a general loading concern, but not specific to the unique hazard of partial bulk loads.
Partial Bulk Load Shifting
Partial loads of loose, bulk materials (like sand, gravel, grain) are prone to shifting significantly during vehicle maneuvers, creating instability.
- Can cause loss of steering or braking control.
- Requires careful loading and potentially specialized equipment.
- More dangerous than a full, settled load.
Memory trick: Loose sand on a truck, a sudden brake, and the truck will buck!