Monday, 29 April 2024, 11:49 AM
Site: IMI eLearning
Course: IMI eLearning (IMI eLearning)
Glossary: Automotive Glossary
O
OffsetAny point that is not on the axis of shaft or component. |
OHCOverhead cam - type of valve operating gear. Camshaft in cylinder head above the valves. |
OhmElectrical unit of resistance. |
Ohm's LawThe electrical law, named after its originator, that shows the relationship between electrical pressure in volts, electrical current in amps and the electrical resistance in Ohms is proportional. Volts is equal to amps multiplied by Ohms. |
OhmmeterA meter for measuring Ohms, the standard unit for electrical resistance. |
OHVOverhead valve - type of valve operating gear. Camshaft in cylinder block connected to valves by push rods and rockers. |
Oil CoolerA small heat exchanged (radiator), which has oil pumped through so that a flow of air will cool it. |
Oil DilutionThe thinning of engine oil by fuel flowing down the cylinder walls into the oil pan. |
Oil DrillingsHoles through various engine components, such as the crank, to allow oil to flow. |
Oil PanSump that holds oil for lubricating the engine. |