What type of refrigerants - Study guides, Class notes & Summaries
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UPDATED EPA 608 QUIZLET (2023) EXAM QUESTIONS AND ANSWERS
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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...
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EPA 608 Universal Certificate with 100% correct aswers
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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...
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EPA 608 LATEST ACTUAL EXAM 2024 VERSION 1 WITH 250 QUESTIONS AND CORRECT ANSWERS (100% CORRECT VERIFIED ANSWERS) WELL ELABORATED QUESTIONS AND ANSWERS (AGRADE)
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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 ...
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EPA 608 CORE EXAM QUESTIONS AND ANSWERS GRADED A 2024-2025
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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...
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UPDATED EPA 608 Test Prep | 150 Questions with 100% Correct Answers | Verified | Latest Update 2024
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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...
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HVAC: EPA 608 CERTIFICATION EXAM 2024 WITH 100% CORRECT ANSWERS
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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 ...
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EPA 608 Exam Questions and Answers with Verified Solutions Graded A 2024
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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...
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Updated Exam With Reviewed Solutions For Epa 608
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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?...
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EPA 608 Certification Exam with 100% Correct Answers 2024
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EPA 608 Certification Exam with 100% Correct Answers 2024 
November 14, 1994 - ANSWERS What date was the sale of CFC's & HCFC's restricted 
to technicians certified in refrigerant recovery? 
Memorize it, ya'll. - ANSWERS 1989- 
Montreal Protocol 
July 1 1992- 
Violation to vent CFCs or HCFCs 
Nov 15 1993- 
Recovery/Recycling equipment must be certified and labeled by EPA 
AND 
Before this date recovery equipment needed to be capable of removing 80% of the 
refrigerant, w or wo compressor, ...
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EPA Certification Exam (2023/ 2024 Update) Practice Questions and Verified Answers| 100% Correct| Graded A
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EPA Certification Exam (2023/ 2024 Update) Practice Questions and Verified Answers| 100% Correct| Graded A 
 
QUESTION 
 A ternary blend is 
 
 
Answer: 
a three-part blend. 
 
 
 
QUESTION 
 What type of oil does a ternary blend use? 
 
 
Answer: 
alkylbenzene 
 
 
 
QUESTION 
 Which of the following is considered a "system-dependent" (passive) recovery? 
 
 
Answer: 
using the appliance compressor to remove refrigerant 
 
 
 
QUESTION 
 Which of the following is considered a "self-c...
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