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Which outcome results during reverse Brayton cycle operation?

A)Air exiting cools significantly further
B)Turbine power output greatly increases
C)Compressor efficiency approaches theoretical limit
D)System pressure variation becomes negligible

💡 Explanation

Refrigeration occurs due to adiabatic expansion. Isentropic expansion reduces temperature, because the Joule-Thomson effect converts internal kinetic energy into potential energy. Therefore, outlet temperature diminishes sharply rather than increasing, because the reversed cycle absorbs heat.

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