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← ScienceWhich consequence results when lubrication breakdown occurs continuously during Carnot cycle operation?
A)Piston/cylinder scoring accelerates drastically✓
B)Isothermal volume expansion fails fully
C)Adiabatic compression ends prematurely
D)Overall cycle efficiency remains unchanged
💡 Explanation
Lubrication breakdown causes increased friction which promotes adhesive wear; Piston/cylinder scoring accelerates drastically because friction coefficient rises, increasing material removal rate therefore greater wear occurs progressively rather than negligible or constant friction.
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