Auto information · Difficulty 1
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 component ignites the air-fuel mixture in a gasoline engine?
- Spark plug
- Oil filter
- Muffler
- Water pump
Reveal answer and explanation
Spark plug
A spark plug creates the spark that ignites the compressed mixture.