What type of refrigerants Study guides, Class notes & Summaries

UPDATED EPA 608 QUIZLET (2023) EXAM QUESTIONS AND ANSWERS the state of the refrigerant entering the metering device is? - ANS A subcooled high pressure liquid. what type of refrigerant is used in VERY high-pressure appliances? - ANS R-503 what type of refrigerant is used in MEDIUM pressure appliances? - ANS R-500 what type of refrigerant is used in HIGH pressure appliances? - ANS R-410A and R-22 what device is located at the END of the liquid line? - ANS The expansion dev...

federal, state, and local laws. As technicians, we must follow and be up to date on all: 25 Core questions 25 Type I questions 25 Type II questions, and 25 Type III questions. This makes for 100 questions total. For Universal Certification, you will receive how many questions? 50 questions - 25 Core questions and 25 Type III questions If you need to get Type III certification, which of the following will be on your exam? 70% What is a passing grade for all EPA certif...

EPA 608 LATEST ACTUAL EXAM 2024 VERSION 1 WITH 250 QUESTIONS AND CORRECT ANSWERS (100% CORRECT VERIFIED ANSWERS) WELL ELABORATED QUESTIONS AND ANSWERS (AGRADE) What is EPA 608 Type I certification? - ANSWER-Persons who maintain, service, repair, or dispose of small appliances (containing 5 pounds of refrigerant (or less). What is EPA 608 Type II certification? - ANSWER-Persons who maintain, service, repair, or dispose of high and very high pressure appliances. Except small appliances ...

What characteristic or characteristics of CFCs make them more likely than other chlorine compounds to reach the stratosphere? - Dont disolve iin water Each chlorine atom in the stratosphere can destroy how many ozone molecules? - 100,000 ozone molecules Which refrigerant contains a CFC? R500, R12, R113 or R11? - Theyre all CFC's HYDROCHLORIC FLORICCARBON (HCFC) refrigerant contain? - Hydrogen, chlorine, flourine and carbon Which refrigerant is a chlorine free refrigerant? - HFC R 1...

the state of the refrigerant entering the metering device is? - A subcooled high pressure liquid. what type of refrigerant is used in VERY high-pressure appliances? - R-503 what type of refrigerant is used in MEDIUM pressure appliances? - R-500 what type of refrigerant is used in HIGH pressure appliances? - R-410A and R-22 what device is located at the END of the liquid line? - The expansion device. what type of refrigerants are the LEAST harmful to the ozone layer? - HFC refrigerants. How...

Are there drop-in replacements for R-12 systems? Why or why not? - correct 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? - correct answer Ester based oils and they do not mix with other oils What type of lubricant is used with HCFCs? - correct answer Alkylbenzene lubricant What is difference b/w ternary blend a azeotropic blend? - correct answer Ternary blends ...

Why are flammable HFO refrigerants classified as A2L and not A2? - They have low flammability, being less flammable than HC refrigerants. Which of the following statements is true? - Propane cylinders for grilling contains impurities that refrigerant-grade propane does not have. Over-evacuation of a system can ________ - never occur; you can never pull too much air or other impurities from a system A system containing a flammable refrigerant must have the process tubes or service connec...

Updated Exam With Reviewed Solutions For Epa 608 the state of the refrigerant entering the metering device is? - CORRECT ANSWER-A subcooled high pressure liquid. what type of refrigerant is used in VERY high-pressure appliances? - CORRECT ANSWER-R-503 what type of refrigerant is used in MEDIUM pressure appliances? - CORRECT ANSWER-R-500 what type of refrigerant is used in HIGH pressure appliances? - CORRECT ANSWERR-410A and R-22 what device is located at the END of the liquid line?...

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 What type of lubricant is used with HCFCs?Answer - Alkylbenzene lubricant What is difference b/w ternary blend a azeotropic blend?Answer - Ternary blends are three-part mixtures whereas ...

the state of the refrigerant entering the metering device is? - A subcooled high pressure liquid. what type of refrigerant is used in VERY high-pressure appliances? - R-503 what type of refrigerant is used in MEDIUM pressure appliances? - R-500 what type of refrigerant is used in HIGH pressure appliances? - R-410A and R-22 what device is located at the END of the liquid line? - The expansion device. what type of refrigerants are the LEAST harmful to the ozone layer? - HFC refrigerants. How...