Friday, 23 April 2021, 6:37 PM
Site: IMI eLearning
Course: IMI eLearning (IMI eLearning)
Glossary: Automotive Glossary


Air circulating freely in room, disc, etc.


Convergent-divergent nozzle which accelerates air flow and lowers static pressure in gases or vapours flowing through it. In a carburettor the venturi provides the depression in the air flow pressure causing the fuel to be drawn from its float chamber into the air stream.


Any form of communication that uses words, i.e. speaking and writing in the form of letters, newspapers, emails etc.


High frequency oscillating wave producing sound or pulsating feeling.

Vibration Damper

A device, usually fitted to a rotating shaft (crankshaft) that dampens the vibrations produced in the shaft by rotary imbalance or a pulsed drive.


Vehicle Identification Number

VIN (Vehicle Identification Number)

Unique code assigned to each vehicle by its manufacturer to identify the model, year, production sequence and other vehicle specific information.


A class of monomers which can be combined to form vinyl polymers. Widely used to make chemically resistant finishes, tough plastic trim and other vehicle components.

Viscomatic Lock

A drive mechanism that uses fluid to create a lock at a certain speed.


A viscometer (also called viscosimeter) is an instrument used to measure the viscosity of a fluid.