Question Which of the following is acceptable if found during a pre-trip inspection? Answers Tires of mismatched sizes Cracks in the tires Tires manufactured by different makers Explanation Be sure to thoroughly inspect your tires before a trip. Tire sizes should not be mismatched, and tires should not be cut, cracked, or otherwise damaged in any way. This questions appears in the following tests: Alaska Class A Knowledge Test Alaska Class B Knowledge Test Arizona Class A Knowledge Test Connecticut Passenger New Mexico Class A Knowledge Test Tennessee Class A Knowledge Test Vermont Class A Knowledge Test Wyoming Class A Knowledge Test