Epa 608 Study guides, Class notes & Summaries
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EPA 608 (TYPE II) Exam 2023 with correct answers
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When a new system has been assembled, the first thing to do is? 
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? 
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 leak rate exceeds _________ of the charge per year? 
15%
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EPA 608 Core Test Sample Questions and Answers Latest 2023 with complete solution.
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EPA 608 Core Test Sample Questions and Answers Latest 2023 with complete solution. 
As of what date did it become unlawful to release Class 1 and Class II 
refrigerants to the atmosphere? 
a. July 1, 1992 
b. July 1, 1993 
c. November 14, 1994 
d. January 1, 1996 Ans a. July 1, 1992 
What is the ozone layer and why is it important to us on Earth? 
a. Thin layer of R-22 in the atmosphere that filters UV. 
b. Protective shield for Earth from the sun's harmful ultraviolent (UV) 
rays in the strato...
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EPA 608 Exams Bundled Together with complete solutions Questions and Answers (Verified Answers)(Full Solution Pack)
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HVAC: EPA 608 Certification Study Guide Questions and Answers, Graded A+

EPA 608 Core Exam Questions and Answers, Graded A+

EPA 608 Certification Section 608 Refrigerant Recovery and Transition

EPA 608 Certification Exam 2023 with complete solution

EPA 608 Core Study Guide Questions and Answers Graded

EPA 608 (CORE) Exam 2023 with complete sol
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EPA 608 Type II Test Questions and Answers (2024 / 2025) (Verified Answers)PDF
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1.	Before charging a new system with refrigerant, what should be done 
Answer:?: Pres- surize with nitrogen (classified as an inert gas) and leak 
 
2.	Which refrigerant can be used for leak detection as a trace gas and pres- surized 
with nitrogen 
 Answer:?: R-22 
 
3.	What tools can you use to find general area of leaks and pinpoint leaks? 
a.	Soap bubbles. 
b.	Look for oil residue 
c.	Electronic or ultrasonic leak detector will provide the general area of the leak 
d.	Refrigerant dye 
Answer...
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EPA 608 UNIVERSAL EXAM 2023-2024 ACTUAL EXAM ALL 160 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+
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EPA 608 UNIVERSAL EXAM ACTUAL EXAM 
ALL 160 QUESTIONS AND CORRECT DETAILED 
ANSWERS WITH RATIONALES (VERIFIED ANSWERS) 
|ALREADY GRADED A+
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EPA 608 (TYPE II) Exam COMPLETE SOLUTION ( A+ GRADED 100% VERIFIED)
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EPA 608 (TYPE II) Exam COMPLETE SOLUTION ( A+ GRADED 100% VERIFIED) 
When a new system has been assembled, the first thing to do is? - ANS 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? - ANS 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) mus...
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EPA 608 Type 2 Practice exam questions with correct answers
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If a leaking appliance with a regulated refrigerant is not going to be repaired, it must be; 
A retrofitted or retired within 3 months. 
B retrofitted or retired within 12 months. 
C replaced within 3 months. 
D replaced within 12 months. - Answer B 
retrofitted or retired within 12 months. 
 
A high-pressure appliance containing 210 lbs. of R-407C refrigerant must be evacuated (recovered) to a level of; 
A 15 inches of vacuum 
B 10 inches of vacuum 
C 4 inches of vacuum 
D 0 inches of vacuum ...
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epa 608 universal exam 2023 with correct answers
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Refrigeration technicians who violate the Clean Air Act can: - 
Lose their EPA certification, be fined, be required to appear in Federal court. 
 
 
 
After 1995, any supplies of CFC refrigerants to service existing units in the USA can only come from: - 
recovery and recycling. 
 
 
 
Refrigerant that is recovered can be returned to: - 
the same system or other systems owned by the same person without restriction.
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EPA 608 Exam Practice Questions 1-100
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EPA 608 Exam Practice Questions 1-100EPA 608 Exam Practice Questions 1-100 
Ozone depletion is caused by _______ in HFC refrigerants. - Answer chlorine 
CFCs and HCFCs ________ making them capable capable of reaching the 
stratospheric ozone layer. - Answer do not dissolve in water or easily break down in the 
atmosphere 
According to the Rolanda-Molina theory, ________ are destroyed by each chlorine 
atom in the stratosphere. - Answer 100,000 ozone molecules 
The stratospheric ozone layer prote...
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EPA 608 Type 1 Questions and Answers 100% Pass
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EPA 608 Type 1 Questions and Answers 100% Pass 
Recovery equipemnt used for the service or repair of small appliances must be certified by an EPA approved lab if the recovery equipment was made after November 15, 1993 
Recovery devices made before 11-15-93 and are used for recovery of refrigerant from small appliances must be capable of: recovering 80% of the refrigerant whether or not the compressor is operating or achieving a 4 inch vacuum under conditions of ARI 740-1993 
EPA's definition of...