ASE Auto Maintenance and Light Repair Terms & Definitions Practice Test

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Carbon monoxide CO
A colorless, odorless gas, which is highly poisonous. CO is produced by incomplete combustion. It is absorbed by the bloodstream 400 times faster than oxygen.
A condition of equal weight distribution within a component or among components; the act of equalizing the weight distribution; such as balancing of tire or an engine's reciprocating assembly.
The starter drive gear that is attached to the starter motor armature and engages the gear teeth on the flywheel.
In a manual transmission, part of the synchronizer assembly. A brass ring that brings the driven gear to shaft speed before engagement.