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Which performance drop becomes significant in a Carnot engine operating at extremely high cycle frequencies?

A)Increased frictional losses dominate power
B)Deviation from isothermal processing increases
C)Kinetic energy exceeds thermal energy
D)Quantum tunneling bypasses heat transfer

💡 Explanation

The isothermal expansion and compression phases will deviate because time becomes insufficient for heat exchange; therefore the heat engine's performance is reduced, rather than losses increasing or tunneling, due to high cycle frequencies preventing ideal conditions.

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