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Consider thermal efficiency of the gasoline engine. (a) Show that the thermal efficiency of an ideal Otto cycle (gasoline engine) is given by = 1

Consider thermal efficiency of the gasoline engine. (a) Show that the thermal efficiency of an ideal Otto cycle (gasoline engine) is given by = 1 1 r 1 C . (b) Calculate the thermal efficiency of the Otto cycle with rC = 9 and = 1.3.

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