Epa Certification Exam 2023/2024 Questions & Answers (Guaranteed A+ 100% Verified)

Low pressure chillers require purge units because: {Ans: they operate below atmospheric pressure they draw non-condesibles through gaskets and seals}Type 3 certification as classified by EPA is for: {Ans: Low pressure applications}Which refrigerant is a strong candidate for replacing CFC (R-12) in small appliances? {Ans: R-134a}Hydrochloric and hydrofluoric acids are: {Ans: Caused from CFC's or HCFC's in ht presence of moisture being exposed to high heat Damaging to the windings found in hermetic refrigeration and air conditioning systems To be avoided when handling with bare hands}Mixed refrigerants that are sent to reclaim centers: {Ans: Will be disposed of at the owner's expense}A system has been operating with a complete restriction at the capillary tube inlet, what access is required for recovery? {Ans: One access valve on the high side of the system}The time it takes to properly evacuate and dehydrate a system prior to charging with refrigerant is determined by the: {Ans: Total volume of the system Amount of non-condensibles (moisture) in the system Ambient Temperature}System dependent recovery equipment is limited o appliances containing less then ____ pounds of refrigerant: {Ans: 15 pounds}Recovery cylinders are color coded: {Ans: Gray with yellow