When doing an inspection, ensure that the brake pads are: Question When doing an inspection, ensure that the brake pads are: Answers Covered with grease. Covered with coolant. Covered with oil. Free of oil or grease. Explanation When inspecting a vehicle's brakes, you should make sure the shoes and pads do not have oil, grease, or brake fluid on them. This questions appears in the following tests: Colorado Class B Knowledge Test District Of Columbia Tank Georgia Double Indiana Class B Knowledge Test Kansas Class B Knowledge Test Kansas Bus Massachusetts Class B Knowledge Test Mississippi Class B Knowledge Test Nebraska Class B Knowledge Test Pennsylvania Class B Knowledge Test