Take This Quiz To Find Out If You’re A Car Engine Expert!

How does a heat engine work?

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920 Ford T-Bucket with chromed radiator, custom V8 engine on display
Retry Correct Incorrect A heat engine converts heat into motion by burning fuel, such as gasoline or coal, and expanding the gas. The gas pushes the piston, which drives the car.
Lyle Setter/Icon Sportswire via Getty Images
Lyle Setter/Icon Sportswire via Getty Images

How does a heat engine work?

  • Fuel burns outside the cylinder, where it expands and pushes the piston
  • Heat from fuel expands, pushing down the piston
  • Fuel is burned in a cylinder, and the cylinder draws in air to move the piston
  • Fuel and air are drawn into the cylinder, where they expand and push the piston
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