When operating a truck requiring a CDL: Question When operating a truck requiring a CDL: Answers You are never required to wear a seat belt. You are required to wear a seat belt, but only if transporting more than 500 pounds of cargo. You must always wear a seat belt. You are required to wear a seat belt, but only if you are driving a tank vehicle. Explanation A driver's seat should always be equipped with a seat belt. You must wear a seat belt at all times while operating a CMV. This questions appears in the following tests: Alaska Class B Knowledge Test Mississippi Class A Knowledge Test Missouri Class A Knowledge Test Missouri Class A Knowledge Test Nevada Class A Knowledge Test New Hampshire Class B Knowledge Test New Mexico Class A Knowledge Test Oklahoma Class B Knowledge Test Oregon Class A Knowledge Test
