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Compression ratio is exclusive to each cylinder, though they will all have the same result if they are the same dimensionally ( and they always are)

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Divide the total engine capacity by the number of cylinders, this gives the capacity or swept volume of each cylinder (bore * stroke)

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So in a 2.0 (2000 cc) litre 4 cylinder engine, each cylinder has a 2000 / 4

= 500 cc swept volume (bore * stroke)

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The combustion chamber is the volume remaining at top dead centre (TDC)

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Compression ratio = volume at BDC (swept volume + volume at TDC) / volume at TDC

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Q: What is the compression ratio for an engine if each cylinder has a maximum volume of 500 cubic centimeters and a minimum volume of 50 cubic centimeters?
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