R 410a safety - Study guides, Class notes & Summaries
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EPA 608 Universal Exam With 100% Correct Answers 2023
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Refrigeration technicians who violate the Clean Air Act can: - - Correct answer-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: - - Correct answer-recovery and recycling. 
Refrigerant that is recovered can be returned to: - - Correct answer-the same system or 
other systems owned by the same person without restriction. 
Refrigerant can not be called "reclaimed...
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(Answered) EPA SECTION 608 CORE (2021-2022 revision)
- Exam (elaborations) • 20 pages • 2022
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EPA SECTION 608 CORE (2021-2022 revision) 
A disposable cylinder should be reduced to what pressure before scrapping? 
a. 0 psig 
b. 20 psig 
c. 50 psig 
d. 80 psig 
 
A major system repair is being performed on a R-22 appliance. What CANNOT be done to recharge the appliance? 
a. Add R-22 after the repair is complete. 
b. Retrofit the unit to R-407C. 
c. Use recovered or recycled R-22 from the same 
owner. 
d. Top off the unit with R-410a. 
A refillable cylinder must not be filled above what ...
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R-410A safety & Training Exam 2024
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R-410A safety & Training Exam 2024...
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EPA Certification Exam (New 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Graded A
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EPA Certification Exam (New 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Graded A 
 
QUESTION 
1 
 What should a technician do if they discover that some R-410A was added to an R-22 system? 
 
 
Answer: 
Recover the mixture in a separate recovery tank. 
 
 
 
QUESTION 
 What factor does NOT affect the speed of evacuation? 
 
 
Answer: 
The brand of micron gauge used. 
 
 
 
QUESTION 
 Which of the following is NOT a recommended safety practice when operating refrigerant ...
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R-410A safety & Training Pre-Test 2023/2024.
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R-410A safety & Training Pre-Test 2023/2024.Recovery cylinders used with R-410A must have a DOT rating of: - ANSWER either "DOT 4BA 400" or "DOT 4BW 400" 
 
A system using R-410A refrigerant has bubbles in the sight glass. Technician A says that the system must be low on refrigerant. Technician B says that the bubbles could be caused by the blended refrigerant flashing in the increased volume of the sight glass. Who is correct? - ANSWER Technician B only 
 
When charging a R-410A system that...
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EPA 608 Practice exam type 1 solved correctly
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EPA 608 Practice exam type 1 solved correctly The sale of reclaimed CFC, HCFC, HFC, and HFO refrigerants is_______. Restricted to technicians who are EPA certified and refrigerant recovery 
A small Pliance is defined as a system that is Manufactured, fully charged, and hermetically sealed in a factory with a charge of 5 pounds or less 
A __________ recovery device can be use for type 1 small appliance applications or type 2 applications if the total charge is below 15 pounds. System dependent 
Y...
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EPA Section 608 Core Questions and Answers | Latest Version | 2024/2025 | Already Passed
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EPA Section 608 Core Questions and 
Answers | Latest Version | 2024/2025 | 
 
Already Passed 
 
What is the primary purpose of the Clean Air Act provisions related to refrigerants? 
 
A) To increase the production of refrigerants 
B) To promote the use of alternative energy sources 
C) To minimize the release of ozone-depleting substances 
 D) To reduce emissions of ozone-depleting substances through the regulation of refrigerant 
handling 
 
What is the primary responsibility of a certified tec...
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R-410A safety & Training Exam Questions and Answers 2024
- Exam (elaborations) • 6 pages • 2024
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Recovery cylinders used with R-410A must have a DOT rating of: - either "DOT 4BA 400" or "DOT 4BW 400" 
 
A system using R-410A refrigerant has bubbles in the sight glass. Technician A says that the system must be low on refrigerant. Technician B says that the bubbles could be caused by the blended refrigerant flashing in the increased volume of the sight glass. Who is correct? - Technician B only 
 
When charging a R-410A system that uses a thermostatic expansion valve, proper charge can be...
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EPA 608 Type 1 Questions and Answers | Latest Update | 2024/2025 | Already Passed
- Exam (elaborations) • 13 pages • 2024
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EPA 608 Type 1 Questions and Answers | 
Latest Update | 2024/2025 | Already 
 
Passed 
 
What is the primary purpose of EPA 608 Type 1 certification? 
 The primary purpose is to ensure that technicians handling small appliances containing 
refrigerants are knowledgeable about proper refrigerant management and recovery practices. 
 
What types of equipment are covered under EPA 608 Type 1 certification? 
 EPA 608 Type 1 certification covers small appliances such as residential air conditioners, 
...
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EPA 608 Final Exam |Question and Answer| 100% Correct Answer 2024/2025
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EPA 608 Final Exam |Question and 
Answer| 100% Correct Answer 2024/2025 
To process refrigerant to a level equal to new (virgin) product specifications as determined 
by chemical analysis defines: *Ans* Reclaiming 
Recover any remaining refrigerant and then render the cylinder useless, then recycle the 
metal is the proper disposal method for: *Ans* Disposable cylinders 
Clean refrigerant for reuse by separating the oil from the refrigerant by passing it through 
one or more filter driers is...
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