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EPA 608 Practice Type 1 Test With correct Answers 2024 Questions and Answers 2024 / 2025 (Verified Answers by Expert)

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EPA 608 Practice Type 1 Test With correct Answers 2024 Questions and Answers 2024 / 2025 (Verified Answers by Expert)

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  • 9 de agosto de 2024
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1.pdf file:///C:/Users/HP/Desktop/TYPA%20NEW/EPA%20608%20Pract




EPA 608 Practice Test #1



1. What is a blend of two or more components who's equilibrium vapor phase & liquid

phase compositions are the same at a given pressure?

ANS Azeotrope

2. This is a halogenated hydrocarbon containing one or more of the three halogens

fluorine, chlorine, and bromine

ANS Halocarbon

3. Chlorofluorocarbons (CFCs) consist of?

ANS Chlorine, fluorine, carbon

4. CFCs are chemically very stable because they contain no?

ANS Hydrogen

5. CFCs are damaging to what layer of the ozone layer?

ANS Stratospheric

6. Of the three common types of refrigerants this one has the highest ozone depletion

potential (ODP)

ANS CFCs
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7. These test methods are assumed by the EPA as the most effective methods for locating

the general area of small leaks

ANS Electronic and ultrasonic

8. After recovery of a system, if the pressure rises above ambient pressure then what is

most likely happening?

ANS Trapped refrigerant is probably boiling off

9. In cases where the refrigerant cannot be reclaimed due to contamination with other

refrigerants, what must be done to the refrigerant?

ANS Must be de- stroyed by incineration at an approved facility

10. Where should the system vacuum gauge be connected?

ANS As close as pos- sible to the system being evacuated

11. Import of CFCs will be banned after December 31, what year?

ANS 1995

12. A second category of refrigerant is currently available which is hydrochlo-

rofluorocarbons (HCFCs). Although they contain chlorine, which is damaging to the ozone

layer, they also contain this which makes them chemically less stable once they enter the

atmosphere.

ANS Hydrogen
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13. Under EPA's regulations, reclaimed refrigerant must meet what standards for purity

before it can be resold?

ANS ARI-700

14. What type of recovery devices are so named because they depend on components of

the system; that is, they capture refrigerant with the assistance of components in the air

conditioning or refrigeration equipment as they are emptying.

ANS System dependent

15. All devices used for refrigerant recovery must meet what standards?

ANS EPA

16. What is one HCFC?

ANS R-22

17. Refrigerants that contain no chlorine at all are called?

ANS HFCs

18. CH2FCF3 refrigerant is a?

ANS HFC

19. Ozone in the stratosphere consist of molecules containing how many oxygen

atoms?

ANS 3
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