Auto information · Difficulty 2
Try this ASVAB-style question.
Choose your answer before opening the explanation. This original practice item is for preparation and does not reproduce an official test question.
Which term matches this description: a device that ignites the compressed air-fuel mixture in a gasoline engine?
- shock absorber
- oil filter
- spark plug
- fuel injector
Reveal answer and explanation
spark plug
spark plug is a device that ignites the compressed air-fuel mixture in a gasoline engine. A timed electrical spark begins combustion in a cylinder.