While Examining a R-134a System Through the Sight Glass,the Refrigerant

question 65

Multiple Choice

While examining a R-134a system through the sight glass,the refrigerant appears to be cloudy.Which of the following would probably be the cause?

• A) low refrigerant level
• B) high refrigerant level
• C) contamination caused by desiccant breakdown
• D) undercharge of oil in the system

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