Quiz: What does the term ‘compression ratio’ refer to in an engine January 4, 2025 by Alex Turner What does the term ‘compression ratio’ refer to in an engine? Discover more about Vehicle Engine and Automobile at our home page. A) The ratio of the volume of the combustion chamber when the piston is at the bottom of its stroke to the volume when it is at the top. B) The ratio of the engine’s horsepower to its torque output. C) The ratio of the fuel-air mixture in the engine’s intake manifold. D) The ratio of the engine’s total displacement to its cylinder count. Submit Answer
