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Which outcome results during rapid cooling of a Sterling engine?

A)Inefficient heat transfer reduces power
B)Increased mean effective working pressure
C)Isothermal change reaches equilibrium faster
D)Component material's yield strength increases

💡 Explanation

Rapid cooling creates a larger temperature differential which initially seems favorable; however, inefficient heat transfer becomes rate-limiting. Therefore, less heat flows into the cylinder affecting power, rather than isothermal efficiency which requires steady-state operation.

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