EPA 608 Study guides, Class notes & Summaries
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EPA 608 UNIVERSAL 2024 EXAM QUESTIONS & ANSWERS SOLVED 100% CORRECT!!
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EPA 608 UNIVERSAL 2024 EXAM QUESTIONS & ANSWERS SOLVED 100% CORRECT!!
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EPA 608 STUDY MATERIAL INCLUDING (CORE, TYPE 1, 2 AND 3) QUESTIONS VERIFIED 100% CORRECT!!
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EPA 608 STUDY MATERIAL INCLUDING (CORE, TYPE 1, 2 AND 3) QUESTIONS VERIFIED 100% CORRECT!!
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EPA 608 Type III Complete Questions and Solutions!
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EPA 608 Type III Complete Questions and SolutioWhat do R-11 and R-123 refrigerants have in common? 
 
A. They are oxygen depleting 
B. They are Class I and II substances as defined by the EPA 
C. Both A and B 
D. Neither A nor B - ANSWER C. Both A and B 
 
What is the required evacuation level for recovering refrigerant from a low-pressure appliance with a recovery machine manufactured before November 15, 1993? 
 
A. 0 psig 
B. 4" Hg 
C. 10 A Hg 
D. 25" Hg - ANSWER D. 25" Hg 
 
How is frost ...
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EPA 608 Type 3 Questions & Answers(Graded A+)
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EPA 608 Type 3 Questions & Answers(Graded A+)On low pressure chillers, moisture typically enters the refrigerant system through - ANSWER air leaks from areas with gaskets or fittings 
 
The maximum test pressure for leak testing a low pressure centrifugal is: - ANSWER 10 psig 
 
Leak test and repair the chiller to reduce refrigerant loss from a pruge unit on CFC-11 chiller - ANSWER ... 
 
A hydrostatic tube test kit is used to: - ANSWER determine if a tube leaks 
 
Commercial and industrial proc...
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EPA 608 (TYPE II) Exam Accurate Questions & Answers!!
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EPA 608 (TYPE II) Exam Accurate Questions & AnswWhen a new system has been assembled, the first thing to do is? - ANSWER Pressurize the system with an inert gas & leak check. 
 
After installation of a field-piped R-410A split heat pulp, the unit should first be? - ANSWER Pressurized with nitrogen then leak checked. 
 
The EPA regulations require that any appliances containing more than 50 pounds of refrigerant (except for commercial & industrial process refrigeration) must be repaired when the ...
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EPA 608 Type III Accurate Questions & Answers!!
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EPA 608 Type III Accurate Questions & Answers!!EPA 608 Type III Accurate Questions & Answers!! 
How is frost best removed from a sight glass? 
 
What do R-11 and R-123 refrigerants have in common? 
 
A. They are oxygen depleting 
B. They are Class I and II substances as defined by the EPA 
C. Both A and B 
D. Neither A nor B - ANSWER C. Both A and B 
 
What is the required evacuation level for recovering refrigerant from a low-pressure appliance with a recovery machine manufactured before Novemb...
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EPA 608 Type 3 Accurate Questions & Ansewers!!
- Exam (elaborations) • 10 pages • 2024
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EPA 608 Type 3 Accurate Questions & Ansewers!!On low pressure chillers, moisture typically enters the refrigerant system through - ANSWER air leaks from areas with gaskets or fittings 
 
The maximum test pressure for leak testing a low pressure centrifugal is: - ANSWER 10 psig 
 
Leak test and repair the chiller to reduce refrigerant loss from a pruge unit on CFC-11 chiller - ANSWER ... 
 
A hydrostatic tube test kit is used to: - ANSWER determine if a tube leaks 
 
Commercial and industrial pro...
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EPA 608 Type III Complete Questions & Solutions!!
- Exam (elaborations) • 11 pages • 2024
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What do R-11 and R-123 refrigerants have in common? 
 
A. They are oxygen depleting 
B. They are Class I and II substances as defined by the EPA 
C. Both A and B 
D. Neither A nor B - ANSWER C. Both A and B 
 
What is the required evacuation level for recovering refrigerant from a low-pressure appliance with a recovery machine manufactured before November 15, 1993? 
 
A. 0 psig 
B. 4" Hg 
C. 10 A Hg 
D. 25" Hg - ANSWER D. 25" Hg 
 
How is frost best removed from a sight glass? 
 
A. reverse ...
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HVAC: EPA 608 Certification Study Guide || 100 Questions|| Correct 100%
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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 ...
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EPA SECTION 608 TYPE I, TYPE II , TYPE III Correct 100%
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What is typically used on small appliances as a service aperture or other device for adding or removing refrigerant? 
a. A straight piece of tubing that is entered using a piercing access tube. 
b. A line located 15 inches below the compressor. 
c. A valve installed at the factory which has a ¼ inch diameter and machine threads. 
d. A service aperture is not present because small appliances are exempt from this requirement. - ANSWER a. A straight piece of tubing that is entered using a piercing...
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