units 6 key terms

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Across
  1. 2. is the process of fine-tuning the engine control unit (ECU) settings to optimize engine performance, efficiency, and emissions, ensuring that the engine operates within its designed specifications.
  2. 6. a tooth on the rim of a wheel or gear that meshes with another gear or wheel to transmit motion
  3. 7. the pushing or pulling action that an engine exerts, typically to create motion or overcome resistance.
  4. 9. natural or artificial substance containing the chemical elements that improve growth and productiveness of plants.
  5. 10. the enclosed space where fuel and air (or oxidizer) are mixed and ignited to produce energy, which then drives the engine.
  6. 11. Something that cleans the air
Down
  1. 1. the ratio of useful work output to the total energy input from the fuel.
  2. 3. This keep the engine cool
  3. 4. Shaft for a rotating wheelCalibrationCalibration
  4. 5. a machine designed to convert one or more forms of energy into mechanical energy.
  5. 8. a mechanical device used in internal combustion engines to mix air and fuel into a combustible mixture.