Wednesday, 8 May 2024, 3:56 AM
Site: IMI eLearning
Course: IMI eLearning (IMI eLearning)
Glossary: Automotive Glossary
R
RHDRight-Hand Drive |
RheostatA type of variable resistor having only two terminals. |
Rich Fuel/Air MixtureA fuel/air mixture with a ratio greater than the stoichiometric ratio of 14.7:1. A mixture strength with an excess of fuel. |
RimOutside edge, periphery. Part of wheel carrying the tyre. |
Ring Gear (Starter)A large diameter gear wheel mounted on the engine flywheel or torque converter flex plate and used to engage with the starter motor drive pinion to start the engine. |
Ring GrooveSlot cut round the piston for the piston rings to sit in. |
Ring LandSeating area for piston rings. |
RIRORubbish In Rubbish Out. In relation to the Internet. |
Road AdhesionGrip between the tyres and the road surface. |
RockerA component such as a lever to operate a valve due to action of a cam. |