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Within a Sterling cryocooler, which outcome increases during free-piston adiabatic phase transitions?

A)System exergy destruction
B)Isothermal efficiency reduction
C)Regenerator thermal capacity
D)Compressor workload reduction

💡 Explanation

Increased entropy occurs because thermodynamic irreversibilities manifest; therefore, system exergy destruction increases, rather than decreasing workload. Expansion work generation efficiency decreases, increasing entropy in the cooling stage.

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