Refrigerant 410A Certification Exam Study Questions and Answers 2024

-Suva 410a -AZ-20 -Puron - R-410a is also known as? 0.3 - The temperature glide for R-410a is less than _____ degrees Fahrenheit over air conditioning and refrigeration operating ranges. -Can be irritating to the skin -Is hydroscopic -Has improved heat transfer characteristics over mineral oils - Polyol Ester (POE): 50 psig - The low pressure control on R-410a systems will open at: Absolute discharge pressure divided by absolute suction pressure - Compression ratio is calculated as: 40% to 70% higher - Both suction and discharge pressure of R-410a systems are _____ than R-22 systems. Lower - Because of its higher vapor capacity, the discharge temperature of R-410a is _____ than R-22. 610 psig plus or minus 10psig - R-410a systems use a high pressure switch that will open at approximately: lose or gain - Subcooled liquid in the receiver may _____ subcooling, depending on surrounding conditions. 800 psig - When installing a liquid line filter drier on a R-410a system, be certain that it has a pressure rating of at least: Smaller than that of a R-22 Metering device - The flow area of a R-410a metering device is: It may separate (fractionate) into its component refrigerants - Which of the following statements is true of R-407c will not fractionate - A true azeotropic blend: -Leaks may cause a change in composition of the blend -It will have temperature glide