Quiz: Define the term ‘compression ratio’ and explain its signific July 17, 2025 by Alex Turner Define the term ‘compression ratio’ and explain its significance in engine performance. Discover more about Vehicle Engine and Automobile at our home page. A) The ratio of the cylinder’s maximum volume to its minimum volume, indicating the engine’s efficiency and power output. B) The measurement of fuel consumption relative to the engine size, determining the vehicle’s mileage. C) The total number of engine cylinders divided by the engine displacement, impacting torque characteristics. D) The ratio of the engine’s horsepower to its weight, affecting acceleration and speed. Submit Answer