Physics · Refrigeration
In a gas cycle refrigeration system, why is an expander preferred over a simple throttle valve to reduce the pressure of the refrigerant?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1There is inadequate internal energy in the gas cycle
- 2Throttling will always cause heating unless the gas is above its maximum inversion temperature
- 3A throttle valve leads to excessive gas leakage compared to an expander
- 4Sufficient cooling or temperature drop cannot be achieved by throttling alone for a gas✓
Correct answer
Sufficient cooling or temperature drop cannot be achieved by throttling alone for a gas
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