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Which outcome occurs when an HVAC system uses mismatched refrigerants in a scroll compressor?

A)Increased compressor discharge temperature
B)Decreased system energy efficiency
C)Lubricant breakdown from low vapor pressure
D)Capillary tube blockage from oil polymerization

💡 Explanation

When mismatched refrigerants are used, the altered thermodynamic properties lead to higher superheat and compression ratios because the compressor's design is optimized for specific refrigerants. Therefore, increased compressor discharge temperature occurs, rather than inefficiency, lubricant breakdown, or blockage, which involve separate refrigerant-related issues and mechanisms.

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