Question Containerized loads are used: Answers When the cargo is too large to fit on a truck. When the cargo has been or will be transported by a train. When the cargo is a liquid. Explanation Containerized loads are generally used when freight is carried partway by rail or ship. Sealed materials cannot be inspected, but a driver should ensure that the containers do not exceed safe and legal weight limits. Take a FREE Practice Test Now This questions appears in the following tests: Rhode Island Knowledge Test Class A , South Dakota Knowledge Test Class A , Hawaii Knowledge Test Class B , Michigan Knowledge Test Class B , Vermont Knowledge Test Class B , Washington Knowledge Test Class B ,