Friday, 19 April 2024, 6:26 PM
Site: IMI eLearning
Course: IMI eLearning (IMI eLearning)
Glossary: Automotive Glossary
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Aspect RatioRatio of two axes at right angles to each other such as the long and short sides of a rectangle. When applied to low profile tyres it refers to the width and depth and is shown as a percentage value in the tyre size marking. |
AspirationBreathing or induction process of an engine. Non-turbocharged engines may be described as naturally aspirated. |
AssessorThe teacher or tutor, who assesses the portfolio of evidence. |
AsymmetricalA description of objects that are different on each side of their centre line. |
ATDCAfter Top Dead Centre |
ATDC - After Top Dead CenterATDC - Before Top Dead Centre. |
ATDC - After Top Dead CentreThe position of the crankshaft when the piston has passed the top of the cylinder and is on the way down. |
ATFAutomatic Transmission Fluid. |
ATLAutomated Test Lane – These are lanes authorised by VOSA of use in the automated mode. |
AtmosphereThe air that surrounds the Earth's surface. |