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Engine efficiency is increased though compression ratio by allowing a more thermodynamic energy to be converted into mechanical energy. Energy transfer is the key to efficiency.

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Q: How does compression ratio affect engine efficiency and performance?
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The shape of the piston head can affect engine performance by influencing airflow turbulence, combustion efficiency, and heat dissipation. Factors such as the dome shape, valve reliefs, and overall design can impact compression ratios, power output, and fuel efficiency. A well-designed piston head can optimize combustion and help achieve better engine performance.


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What is the compression on a 2006 crf250r?

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Does cutoff ratio affect the engine efficiency?

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How does the thermal efficiency of an ideal Otto Cycle change with the compression ratio of the engine and the specific heat ratio of the working fluid?

The answer is 38.