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← TechnologyWhich outcome occurs when a refrigeration system uses two refrigerants forming an azeotropic mixture?
A)Temperature glide during phase change
B)Increased system energy efficiency✓
C)Elevated discharge pressures in compressor
D)Capacity reduction at high condensing
💡 Explanation
When an azeotropic refrigerant mixture exists, the components evaporate/condense at the same temperature and composition in the absence of leaks, and the phase change occurs without a temperature glide benefiting to transfer heat more efficiently since temperature stays close and heat losses are minimal. Hence a boost to the refrigeration system is observed, rather than temperature glide, high pressure, or reduced capacity that would occur with zeotropic or non-ideal mixtures.
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