The means by which awarding bodies ensure consistency across centres and ensure that national standards are being maintained and applied.

An alternator stator winding with the three-phase coils connected at the centre in order to give a large voltage output. The normal winding for light vehicle applications. Also 'Y' type stator.

A powerful electric motor that produces high torque to rotate the engine for starting.

Small wire that causes the solenoid to operate. Feed is from the starter switch and usually a relay.

The switch that operates the starter motor. Usually part of the ignition switch.

A term that indicates components that are stationary. The opposite of dynamic when the components are in motion.

The balance of a rotating component about the rotational axis. Wheel balance has both static and dynamic quantities.

Numerical data.

Stationary part of machine. Examples are the magnetic inductance component of an alternator and the reaction member in a torque converter.

Electrical windings on the stator of an alternator.