Saturday, 4 May 2024, 8:05 AM
Site: IMI eLearning
Course: IMI eLearning (IMI eLearning)
Glossary: Automotive Glossary
E
ETEmergency Testing – the process by which testing may continue when the computerised system is not available due to a wide scale failure affecting a significant number of VTSs. |
Etch PrimerPrimer with an acid (usually Phosphoric) content. The purpose of the Etch primer in a coating system is to improve the adhesion and corrosion performance of the undercoat system. Their use is recommended when working with ferrous substrates, and essential on non-ferrous substrates |
EtchingThe process of a strong chemical cutting into unprotected parts of a metal. |
EthanolEthyl-alcohol produced from starches and sugar plants and used as an octane enhancer. |
Ethyl AcetateA fast evaporating ester solvent. |
Ethyl AlcoholAn inexpensive, fast evaporating solvent or diluent. |
Ethylene GlycolAnti-freeze. Chemical used to lower freezing point of coolant. |
EUThe European Union (EU) is an economic and political union of 27 (as at 2010) member states, located primarily in Europe. Committed to regional integration, the EU was established by the Treaty of Maastricht on 1 November 1993. |
Evaluation CircuitAn electronic circuit used to decide a course of action. |
EVAPEmission control system that uses a charcoal canister to prevent fuel tank vapours from venting to the atmosphere. The vapours are drawn into the engine during specific running conditions to purge the canister. |