SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/asvab-spark-plug-ignites

In a gasoline car engine, what ignites the air and fuel mixture?

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  1. Heat from compression alone
  2. The alternator
  3. A spark from the spark plug

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References

  1. US DOE Alternative Fuels Data Center: How Do Gasoline Cars Work? afdc.energy.gov/vehicles/how-do-gasoline-cars-work Checked 2026-10-12.
  2. US DOE Alternative Fuels Data Center: How Do Gasoline Cars Work? afdc.energy.gov/vehicles/how-do-gasoline-cars-work Checked 2026-10-12.
  3. Official ASVAB: Auto Information sample questions www.officialasvab.com/auto-information-ai Checked 2026-10-12.

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