R 410a safety training - Study guides, Class notes & Summaries
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(Answered) EPA SECTION 608 CORE (2021-2022 revision)
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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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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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R-410A safety & Training Exam Questions and Answers 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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Refrigerant 410A Certification Exams Bundle !
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1
Exam (elaborations)
Residential Air Conditioning Final Review And 100% Correct Answers.

2
Exam (elaborations)
R-410A Test Questions And guaranteed Pass Solutions.

3
Exam (elaborations)
R-410A safety & Training Prep Exam Questions And Correct Answers.

4
Exam (elaborations)
Practice Exam: Universal R-410A Study Guide Exam And Actual Answers.
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EPA SECTION 608 CORE (2022 revision)
- Exam (elaborations) • 20 pages • 2022
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EPA SECTION 608 CORE (2022 revision) 
 
What does ozone in the stratosphere above the earth consist of? 
a. Molecules containing 2 oxygen atoms. 
b. Molecules containing 3 oxygen atoms. 
c. Molecules containing 4 oxygen atoms. 
d. Molecules containing 5 oxygen atoms 
 
Which of the following refrigerants has the lowest global warming potential? 
a. R-134a 
b. R-407C 
c. R-410A 
d. R-600a 
 
Which of the following gases is used as the baseline 
measurement for global warming potential? 
a. Ammo...
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EPA PACK DEAL,ALL SECTIONS INCLUDED 2023/2024 EXAMS.
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1
Exam (elaborations)
Practice Exam: Universal R-410A Test 2023/2024.

2
Exam (elaborations)
NATE Core Study Guide Questions 2023/2024.

3
Exam (elaborations)
R-410A safety & Training Pre-Test 2023/2024.

4
Exam (elaborations)
Skull Practice Questions 2023/2024.

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Exam (elaborations)
6.6 - Nuclear Energy Questions 2023/ 2024.

6
Exam (elaborations
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