Question Brake linings should be: Answers Loose. Free of oil. Soft. Explanation Brake linings should not be loose or soaked with oil or grease. They shouldn't be dangerously thin. Take a FREE Practice Test Now This questions appears in the following tests: Mississippi Knowledge Test Class A , Wisconsin Knowledge Test Class A , Alaska Air Brakes , Arkansas Air Brakes , Maine Air Brakes , Michigan Air Brakes , Tennessee Air Brakes ,