Compressor burnout Study guides, Class notes & Summaries

Refrigeration technicians who violate the Clean Air Act can: - - Correct answer-Lose their EPA certification, be fined, be required to appear in Federal court. After 1995, any supplies of CFC refrigerants to service existing units in the USA can only come from: - - Correct answer-recovery and recycling. Refrigerant that is recovered can be returned to: - - Correct answer-the same system or other systems owned by the same person without restriction. Refrigerant can not be called "reclaimed...

According to the SMC group, #2 refrigerants are - Toxic, flammable, explosive under certain conditions, and includes ammonia and SO. A hermetic system is a totally enclosed refrigeration system when the - Motor and compressor are sealed within the same system with the refrigerant. A heat pump has what type of valve that redirects refrigerant flows from heating to cooling? - A four way reversing valve A capillary tube system responds to an overcharge by - Head pressure. A capillary tube sy...

EPA Section 608 Technician Certification Study Guide Questions And Answers` What are the typical uses of the center port of a gauge set? - Used during evacuation, charging and recovery procedures. What color are the gauges on a manifold gauge set? - Low pressure is blue, High pressure is red. What are the typical ranges of pressure measurements used on the gauges of a manifold gauge set? - High side is 0 to 500 PSIG; Low side is 0 to 350 PSIG and 0 to 30 in. Hg below atmospheric press...

What are the typical uses of the center port of gauge set? - Used during evacuation charging and recovery procedures. What color are the gauges on a manifold gauge set? - Low pressure is blue High pressure is red. What are the typical ranges of pressure measurements used on the gauges of a manifold gauge set? - High side is 0 to 500 PSIG; Low side is 0 to 350 PSIG and 0 to 30 in. Hg below atmospheric pressure. Is the refrigerant leaving a condenser at a high or low pressure? Is it a liq...

How is the cooling effect in a mechanical refrigeration system produced? - ANSWER Evaporation of liquid refrigerant into vapor What is the primary purpose of a compressor? - ANSWER It circulates and pressurizes the refrigerant vapor before the vapor Is condensed for re use Name another function that must be performed by the compressor - ANSWER Is raise the pressure and temperature of the refrigerant vapor. This allows the refrigerant to condense into a liquid as it circulates through the c...

What are the typical uses of the center port of gauge set? - Used during evacuation, charging and recovery procedures. What color are the gauges on a manifold gauge set? -Low pressure is blue, High pressure is red. What are the typical ranges of pressure measurements used on the gauges of a manifold gauge set? - High side is 0 to 500 PSIG; Low side is 0 to 350 PSIG and 0 to 30 in. Hg below atmospheric pressure. Is the refrigerant leaving a condenser at a high or low pressure? Is it a liqui...

HVAC: EPA 608 Certification Exam Questions and Answers Latest Updated 2024/2025 (GRADED A+) What type of lubricant is used with HCFCs? CORRECT ANSWERAlkylbenzene lubricant What is difference b/w ternary blend a azeotropic blend? CORRECT ANSWERTernary blends are threepart mixtures whereas azeotropic blends are blends of two or more compounds that act like a single compound. What is the trait of a hygroscopic lubricant? CORRECT ANSWERIt absorbs (takes on) moisture What is temperature glide and...

EPA 608 Questions And Answers 100% Verified What are the typical uses of the center port of gauge set? - ANSWER Used during evacuation charging and recovery procedures. What color are the gauges on a manifold gauge set? - ANSWER Low pressure is blue High pressure is red. What are the typical ranges of pressure measurements used on the gauges of a manifold gauge set? - ANSWER High side is 0 to 500 PSIG; Low side is 0 to 350 PSIG and 0 to 30 in. Hg below atmospheric pressure. Is ...

HVAC: EPA 608 Certification Exam Questions and Answers Latest Updated 2024/2025 (GRADED) Are there drop-in replacements for R-12 systems? Why or why not? CORRECT ANSWERNo because the new refrigerants are incompatible with the oils and lubricants used in R-12 systems. What type of oil is used in R-134a and what oils will it mix with? CORRECT ANSWEREster based oils and they do not mix with other oils What type of lubricant is used with HCFCs? CORRECT ANSWERAlkylbenzene lubricant What is diffe...

What are the typical uses of the center port of gauge set? Used during evacuation, charging and recovery procedures. What color are the gauges on a manifold gauge set? Low pressure is blue, High pressure is red. What are the typical ranges of pressure measurements used on the gauges of a manifold gauge set? High side is 0 to 500 PSIG; Low side is 0 to 350 PSIG and 0 to 30 in. Hg below atmospheric pressure. Is the refrigerant leaving a condenser at a high or low pressure? ...