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← ScienceWhich outcome occurs when a closed refrigeration system undergoes rapid throttling?
A)Temperature rapidly deceases downstream✓
B)Critical point of the fluid reached
C)Superheated vapor forms extensively
D)Isentropic ideal-gas expansion obtained
💡 Explanation
The temperature decreases rapidly downstream because throttling is an isenthalpic process approximating constant enthalpy; therefore, a large pressure drop increases the refrigerant's volume rather than its temperature, lowering temperature because of the Joule-Thomson effect rather than isentropic cooling.
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