Question Rims with welding repairs: Answers Are not safe to be used. Are acceptable to be used on tires on the rear of a vehicle. Are acceptable to be used only when carrying a heavy load. Explanation Wheels or rims that have had welding repairs should never be used. This questions appears in the following tests: Arizona Class A Knowledge Test Idaho Double Iowa Double Kentucky Class B Knowledge Test Minnesota Class A Knowledge Test Nevada Class A Knowledge Test Oregon Class B Knowledge Test Tennessee Tank Virginia Passenger Wyoming Double