Hvac epa - Study guides, Class notes & Summaries

HVAC EPA Exam - Core

How many types of HVAC certifications are there? - There are 4 types. What does a metering device do? - The metering device causes a reduction in pressure, and therefore a reduction in saturation temperature. What is absorbed in the evaporator? - Heat is absorbed in the evaporator. What happens in the evaporator? - Heat is absorbed in the evaporator and causes the refrigerant to boil from liquid to vapor. At the outlet of the evaporator the refrigerant is what? - The refrigerant is now a l...

HVAC EPA 608 CORE Exam Test Questions With Answers |Verified | ALREADY PASSED what is CFCs? - ANSWER Chlorofluorocarbons (Chlorine, Fluorine, and carbon) What is HCFCs? - ANSWER Hydrochlorofluorocarbons (hydrogen, chlorine, fluorine, and carbon) What is ASHRAEs? - ANSWER The American Society of Heating Refrigerating and Airconditioning Engineers. A global professional association seeking to advance heating, ventilation, airconditioning and refrigeration systems. What is the gre...

Asbestos Contractor/Supervisor Training Questions & Correct Solutions Chrysotile - ANSWER The only asbestos mineral found in the serpentine group and the most common in the USA at 90-95%. "White Asbestos" Amosite - ANSWER Second most likely found asbestos. "Brown Asbestos" 5-10% Crocidolite - ANSWER "Blue Asbestos" 1-5% Actinolite - ANSWER Can be in vermiculite (often associated with Tremolite) no current production. Tremolite - ANSWER Can be in Vermiculite. Some current ...

HVAC EPA 608 Certification Exam Study Guide With 100% Complete Solution

HVAC EPA Exam – Core 52 Questions with Correct Answers An ozone molecule consists of - Correct Answer 3 oxygen atoms Depletion of Ozone in the stratosphere causes: - Correct Answer 1. Crop loss 2. Increase in eye disease 3. Skin cancer 4. Reduced marine life 5. Deforestation 6. Increased ground level ozone When released into the atmosphere deplete the Ozone layer - Correct Answer CFC and HFC What happens when a chlorine atom meets with an Ozone molecule? - Correct Answer it tak...

How many types of HVAC certifications are there? - Answer There are 4 types. What does a metering device do? - Answer The metering device causes a reduction in pressure, and therefore a reduction in saturation temperature. What is absorbed in the evaporator? - Answer Heat is absorbed in the evaporator. What happens in the evaporator? - Answer Heat is absorbed in the evaporator and causes the refrigerant to boil from liquid to vapor. At the outlet of the evaporator the refrigerant is ...

HVAC EPA 608 Certification Study Guide with complete definitions 2025. Are there drop-in replacements for R-12 systems? Why or why not? - Answer No 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? - Answer Ester based oils and they do not mix with other oils

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