Ch 27 Servicing Wheels Advanced Test Questions 2024.

Ch 27 Servicing Wheels Advanced Test Questions 2024. Aspect ratio - correct answer The ratio of sidewall height to section width of a tire. Asymmetric-tread-pattern - correct answer A tread pattern that differs on each side and, therefore, is usually directional. Bar - correct answer A metric unit of measure for pressure. Bead seat - correct answer The part of the wheel that the tire seals against. Bias ply - correct answer A tire constructed in a latticed, crisscrossing structure, with alternate plies crossing over each other and laid with the cord angles in opposite directions. Casing plies - correct answer A network of cords that give the tire shape and strength; also known as casing cords. Centrifugal switch - correct answer A switch that is only activated when centrifugal forces are placed on a vehicle. Cornering force - correct answer The force between the tread and the road surface as a vehicle turns. Deep dish wheel - correct answer A wheel with negative offset. which gives the outside of the wheel a deep-dish appearance. Deep dish refers to the side of the wheel that is farthest from the drop center. Direct-TPMS - correct answer A type of automated tire pressure monitoring system that measures tire pressure and possibly temperature via a sensor installed inside each wheel.