Wednesday, 21 October 2020, 11:02 AM
Site: IMI eLearning
Course: IMI eLearning (IMI eLearning)
Glossary: Automotive Glossary


Pipe or similar where, for example, fuel is returned to the tank.

Return Spring

Simple spring to move an item back into its rest position.


A tachometer that indicated revolutions per second.

Reverse Bias

An electrical term applied to semiconductors and transistors which normally allow the flow of current in one direction only but will allow current to flow in the opposite direction under specific conditions.

Reverse Switch

A switch operated by a gearbox component that illuminates the reverse light.

Reversing Circuit

A circuit using changeover switches or relays that reverses the voltage supply to a motor.


To look over and study information again.


To review information in order to remind yourself of its content.


Radio frequency interference. Electromagnetic radiation from an electrical source.


Reason for Rejection