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HVAC: EPA 608 Certification Exam Study Guide 2024
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10

november 2024

2024/2025

A+
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 tw...
shadow251
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HVACR UNIT 16 EXAM QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE 2025-2026
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4

februari 2025

2024/2025

A+
HVACR UNIT 16 EXAM QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE A solution used as a secondary refrigerant in chillers consisting of water and a chemical which lowers the water's freezing point is called: - Answers Brine. Air-conditioning tube-and-fin coils are commonly available as: - Answers Slab coils, slant coils, "A" coils, and "N" coils. An evaporator in which refrigerant enters as a saturated liquid vapor mix and leaves as a superheated vapor is a: - Answers Direct expa...
TutorJosh
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UPDATED EPA 608 QUIZLET (2024) Questions And Answers Graded A+.
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11

oktober 2024

2024/2025

A+
UPDATED EPA 608 QUIZLET (2024) Questions And Answers Graded A+. 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 answer. R-410A and R-22 what device ...
Lectsadh
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NCCER Module 2 Questions and Answers correct
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14

juni 2025

2024/2025

A+
NCCER Module 2 Questions and Answers correct An estimator is preparing a bid for a home remodeling project. She has determined that the new garage needs 324 feet of 2x10 lumber; the new rec room requires 430 feet; and the new upstairs bonus room needs 283 feet. How many feet of 2x10 lumber will be needed? 1,037 feet A plumbing contractor bid the rough-in work for a new three story office building based an estimate of 850 hours of a journey-level plumber's time on the job. After the...
Pogba119
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IICRC Commercial Drying Specialist (CDS) Exam Questions and Correct Answers Latest Update 2025
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18

januari 2025

2024/2025

A+
The first principle of restoration as described by the S500 on a restoration project is to _____ - Account for the health and safety of occupants Describe at least three characteristics of commercial drying projects that make it different from typical residential ones - Complex wiring Public access and security Multiple stakeholders Electrical power Complex construction,materials, codes The S500 describes Commercial Buildings in the following way: •Commercial •Industrial •Insti...
shadow251
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ASE Study Guide Practice Test | Questions and Correct Answers | Latest Update 2024/2025
Beschikbaar in een bundel

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6

oktober 2024

2024/2025

A+
Beschikbaar in een bundel
ASE Study Guide Practice Test | Questions and Correct Answers | Latest Update 2024/2025 True or False. Chlorine was found to do damage to the ozone layer? - Answer -True True or False. Different refrigerant are ok to be mixed together. Pressure characteristics are a little bit different but should not matter. - Answer - False. High pressure characteristics between R12 and R134a vary considerably. Will result in high head pressure and high system. A vehicle has poor air conditioning perf...
mercylynneh
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HVAC: EPA 608 Certification Study Guide Questions And Answers 100% Guaranteed Success.
Beschikbaar in een bundel

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9

oktober 2024

2024/2025

A+
Beschikbaar in een bundel
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...
Lectsadh
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ASE Study Guide Practice Test | Questions and Correct Answers | Latest Update 2024/2025
Beschikbaar in een bundel

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6

september 2024

2024/2025

A+
Beschikbaar in een bundel
ASE Study Guide Practice Test | Questions and Correct Answers | Latest Update 2024/2025 True or False. Chlorine was found to do damage to the ozone layer? - Answer -True True or False. Different refrigerant are ok to be mixed together. Pressure characteristics are a little bit different but should not matter. - Answer - False. High pressure characteristics between R12 and R134a vary considerably. Will result in high head pressure and high system. A vehicle has poor air conditioning perf...
AdelineJean
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FCC HVAC Study Guide Questions And Answers Verified 100% Correct
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8

juni 2025

2024/2025

A+
FCC HVAC Study Guide Questions And Answers Verified 100% Correct what type of lubricants are HFO refrigerants miscible in? - ANSWER- POE lubricants. what does ozone in the stratosphere above the earth consist of? - ANSWER- molecules containing 3 oxygen atoms? what are the characteristics of HCFC's and CFC's make them more likely to reach the stratosphere than most other compounds containing chlorine? - ANSWER- they do not dissolve in water or easily bre...
TopGradeGuru
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EPA CERTIFICATION EXAM 2024 ACTUAL EXAM COMPLETE 300 QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS) / ALREADY GRADED A+
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10

december 2024

2024/2025

A+
EPA CERTIFICATION EXAM 2024 ACTUAL EXAM COMPLETE 300 QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS) / ALREADY GRADED A+ Which Refrigerants contain the most chlorine? - ANSWER -CFC's As of what date did it become unlawful to intentionally release Class 1 and Class 2 refrigerants to the atmosphere? - ANSWER -July 1, 1992 Which Refrigerants have the lowest zone depletion potential? - ANSWER -HFC's The molecule found in CFC's and HCHC's refrigerants that destroys ...
OliviaGreenways
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