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HVAC: EPA 608 Certification Study Guide questions and rationale answers

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13 pages

Written in 2023/2024

Grade A+

CUTENURSE1

HVAC: EPA 608 Certification Study Guide || 100 Questions|| Accurate 100%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 az...

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9 pages

Written in 2023/2024

Grade A

nursingismylife

Master essential HVAC concepts and pass your certification exams with this comprehensive test bank for , featuring complete questions and correct, detailed answers verified for accuracy. This guide covers critical topics including refrigerant recovery and recycling procedures, differences between self-contained and system-dependent recovery equipment, proper evacuation techniques, leak detection methods, compressor types, and the three R's of refrigeration (Recover, Recycle, Reclaim). Designe...

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16 pages

Written in 2025/2026

Grade A+

PrepMaster

HVAC: EPA 608 CERTIFICATION - REAL QUESTIONS + DETAILED ANSWERS - LATEST VERSION - TOP RATED 2026...

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10 pages

Written in 2025/2026

Grade A+

luzlinkuz

HVAC: EPA 608 CERTIFICATION EXAM EXAM 2025| BRAND NEW ACTUAL EXAM WITH 100% VERIFIED QUESTIONS AND CORRECT SOLUTIONS| GUARANTEED VALUE PACK| ACE YOUR GRADES.

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23 pages

Written in 2024/2025

Grade A+

Savvynurse

HVAC Questions and Correct Answers/ Latest Update / Already Graded

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4 items

Expert1

HVAC: EPA 608 Certification Exam Questions and Answers Latest Updated 2024/2025 (GRADED A+)

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20 pages

Written in 2024/2025

Grade A+

Nelly003

HVAC: EPA 608 Certification Study Guide

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11 pages

Written in 2024/2025

Grade A+

Laudabletasks

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

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29 pages

Written in 2024/2025

Grade A+

Expert1

HVAC: EPA 608 CERTIFICATION STUDY GUIDE QUESTIONS NEWEST 2025 ACTUAL EXAM 100 QUESTIONS AND CORRECT DETAILED ANSWERS / ALREADY GRADED A+

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16 pages

Written in 2024/2025

Grade A+

TESTHUBB

HVAC Excellence Commercial Air Conditioning ESCO Certification Questions And Answers Graded A+.HVAC: EPA 608 Certification Study Guide Questions And Answers 100% Guaranteed Success.ESCO Light Commercial Refrigeration EXAM Questions And Answers Rated A+.HVAC NATE Heat Pump questions and answers 100% verified.

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9 items

Lectsadh

HVAC: EPA 608 CERTIFICATION EXAM 2025

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11 pages

Written in 2024/2025

Grade A+

YANCHY

HVAC: EPA 608 CERTIFICATION Q&A 2024/2025

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9 pages

Written in 2024/2025

Grade A+

GEEKA

HVAC: EPA 608 Certification Study Guide Questions And Answers 100% Guaranteed Success. 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. Alkyl...

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9 pages

Written in 2024/2025

Grade A+

Lectsadh

EPA 608 Certification Exam Questions and Answers Latest Update 2024 | EPA 608 Type 2 certification Exam Questions with Verified Answers | EPA 608 Certification Exam Questions and Answers Latest Updated 2024 | EPA 608 Type 2 Exam With 100% Correct Answers & EPA 608 Final Exam with 100% Complete Solutions Latest 2024/2025 (GRADED)

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5 items

ExcelAcademia2026

EPA 608 Certification Exam Questions and Answers Latest Update 2024/2025 | EPA 608 Type 2 Exam Questions with 100% Correct Answers | EPA 608 Type 3 exam with 100% Complete Solutions & EPA 608 Certification Exam Questions and Answers Latest Updated 2024/2025 (GRADED)

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5 items

DRBRIGHT2026

Recover - to remove any refrigerant in any condition from system and store in external container without necessarily testing or processing in any way What are the leak repair requirements for comfort cooling appliances and commercial appliances containing 50 pounds or more of refrigerant? - The leak rate exceeds 15% in comfort cooling appliances How does a centrifugal purge unit work? - A centrifugal purge unit takes its suction from the top of the condenser, removes the air from the syste...

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11 pages

Written in 2024/2025

Grade A+

ACADEMICMATERIALS

EXAM BUNDLE ESCO ELECTRICAL (COMPLETE PACKAGE) Questions)100% Correct!EXAM BUNDLE ESCO ELECTRICAL (COMPLETE PACKAGE) Questions)100% Correct!EXAM BUNDLE ESCO ELECTRICAL (COMPLETE PACKAGE) Questions)100% Correct!EXAM BUNDLE ESCO ELECTRICAL (COMPLETE PACKAGE) Questions)100% Correct!EXAM BUNDLE ESCO ELECTRICAL (COMPLETE PACKAGE) Questions)100

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25 items

papersmaster01

Are there drop-in replacements for R-12 systems? Why or why not? - 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? - ANSWEREster based oils and they do not mix with other oils What type of lubricant is used with HCFCs? - ANSWERAlkylbenzene lubricant What is difference b/w ternary blend a azeotropic blend? - ANSWERTernary blends are three-part mixtures whereas azeo...

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8 pages

Written in 2023/2024

Grade A+

papersmaster01

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

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11 pages

Written in 2023/2024

Grade A+

STUDENTROOM