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← ScienceWhich outcome limits a Stirling engine reaching predicted efficiency?
A)Dead volume lowers compression ratio✓
B)Isothermal expansion matches Carnot cycle
C)Regenerator thermal mass creates imbalance
D)Kinematic linkages prevent gas leakage
💡 Explanation
Inefficiency arises because dead volume undermines the ideal compression ratio due to imperfect gas transfer and volume shifts using the displacer, which reduces effective compression causing losses by preventing energy reuse. Larger volumes would facilitate better compression, therefore, the dead volume limits efficiency rather than the alternatives.
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