Question Loading cargo onto a vehicle: Answers Must be done by the driver. May be done by a person other than the driver, and they become responsible for the safety of the cargo. May be done by a person other than the driver, but the driver is responsible for the safety of the cargo. Must be done by a professional loader. Explanation Even if someone else loads cargo onto a vehicle, the driver is responsible for properly inspecting the cargo, ensuring that it is properly loaded and secured, and ensuring that it does not obscure their view or access to emergency equipment. This questions appears in the following tests: Mississippi Tank North Carolina Class A Knowledge Test Texas Class B Knowledge Test