The driver operator should ensure seatbelts are worn by all personnel in which situation?

• A. During daily operations
• B. Only when on highways
• C. Only when passengers are present
• D. While loading hose

Answer: (D)

The most important idea is that restraints protect people from injuries caused by movement of the vehicle or by shifting equipment. While loading hose, crew members are around the hose bed where loads can shift or jerks can occur as hose is fed or pulled. That sudden motion can throw someone or put them at risk of being struck by equipment. Wearing seat belts during this operation keeps everyone securely in their seats and helps the operator maintain control, reducing the chance of injury. The other scenarios describe broader or less specific circumstances, but the situation during hose loading directly presents a risk that seat belts mitigate.