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← ScienceWhich consequence results when thermal energy input increases drastically within a Sterling engine?
A)Engine temperature rises uncontrollably
B)Reduced volumetric expansion occurs rapidly
C)Increased mechanical wear accelerates greatly✓
D)Isothermal compression happens discontinuously
💡 Explanation
Increased thermal energy causes accelerated mechanical wear due to increased frictional forces; this is caused by greater pressure and velocity within the engine, a form of tribological failure. Therefore wear accelerates, rather than thermal runaway or reduced expansion because lubrication systems would struggle.
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