What does the term ‘compression ratio’ refer to in an internal combustion engine?

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A) The ratio of the volume of the combustion chamber at its largest capacity to the volume at its smallest capacity.

B) The ratio of fuel to air mixture in the engine’s intake system.

C) The measurement of the engine’s horsepower output relative to its size.

D) The amount of time the engine takes to reach its optimal operating temperature.

Quiz: What does the term ‘compression ratio’ refer to in an intern