Thursday, 21 November 2019, 1:06 AM
Site: IMI eLearning
Course: IMI eLearning (IMI eLearning)
Glossary: Automotive Glossary
P

Plasticizer

A low molecular weight substance added to polymeric materials such as paints to improve their flexibility.

Plastigauge

Brand name of a product that is used to determine bearing clearance.

Plate Grids

Basket like holders to contain the active material in a battery.

Plate Lug

A connection point on the battery plate.

Plenum

A chamber in the air inlet system to provide even air supply to all cylinders.

Plies

Rayon cords used in tyre construction.

Plug Thread

Screwed thread that is designed for a spark plug.

Plunge Joint

A shaft joint or coupling with provision for axial or plunging movement.

Plunger

Alternative term for a piston or needle in a pump, slave cylinder or injector.

Ply (Tire)

Fabric layer used in the construction of a tire.