Hfos - Study guides, Class notes & Summaries
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EPA SECTION 608 CORE (2019 REVISION)|UPDATED&VERIFIED|100% SOLVED|GUARANTEED SUCCESS
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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 
b. Molecules containing 3 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 
d. R-600a 
 
 
 
 
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EPA 608 CORE EXAM TESTS COMBINED | VERIFIED TEST QUESTIONS WITH CORRECT SOLUTIONS
- Exam (elaborations) • 102 pages • 2023
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EPA 608 CORE EXAM TESTS 
COMBINED | VERIFIED TEST 
QUESTIONS WITH CORRECT 
SOLUTIONS 
Where is the stratosphere? - ANSWER 10 to 30 miles 
Where is ozone located? - ANSWER stratosphere 
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 - ANSWER b. Molecules 
containing 3 oxygen atoms 
Which of the following refrigerants ha...
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EPA 608 Core Study Guide Questions and Answers | Latest Version | 2024/2025 | Rated A+
- Exam (elaborations) • 28 pages • 2024
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EPA 608 Core Study Guide Questions 
and Answers | Latest Version | 2024/2025 
 
| Rated A+ 
 
What is the primary purpose of the Clean Air Act as it relates to refrigerants? 
 The Clean Air Act aims to protect the ozone layer by regulating the production, use, and 
disposal of ozone-depleting substances, including many refrigerants. 
 
How does the EPA 608 Core Universal certification ensure compliance with the Clean Air Act? 
 The certification educates technicians on proper handling, recovery,...
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cfc universal | Questions and Verified Solutions Latest Update
- Exam (elaborations) • 5 pages • 2024
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cfc universal | Questions and Verified 
Solutions Latest Update 
which of following refrigerants has lowest global warming potential ? 
A. R-134 A 
B. R407 D 
C. R410 A 
D. R600A - Answer - D. R600A 
which of the following gases is used as the baseline measurement for global warming potential ? 
A. Ammonia 
B. Carbon Dioxide 
C. CFC- 12 
D. Propane - Answer - B. Carbon Dioxide 
Which type of refrigerant typically has the lowest global potential? 
A. HCFCs 
B. HFOs 
C. HFCs 
D. All are equal - An...
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EPA REFRIGERANT TEST A QUESTIONS AND ANSWERS | LATEST VERSION | 2024/2025 | GRADED A+
- Exam (elaborations) • 6 pages • 2024
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EPA REFRIGERANT TEST A QUESTIONS 
AND ANSWERS | LATEST VERSION | 
 
2024/2025 | GRADED A+ 
 
What is the primary purpose of refrigerant regulations established by the EPA? 
 The primary purpose is to minimize the release of substances that deplete the ozone layer 
and contribute to global warming by regulating the handling, recovery, and recycling of 
refrigerants. 
 
How does the EPA regulate the use of CFCs and HCFCs in refrigerant systems? 
 The EPA has phased out the production and use of CF...
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EPA 608 CORE EXAM TESTS COMBINED | VERIFIED TEST QUESTIONS WITH CORRECT SOLUTIONS
- Exam (elaborations) • 102 pages • 2024
- Available in package deal
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EPA 608 CORE EXAM TESTS 
COMBINED | VERIFIED TEST 
QUESTIONS WITH CORRECT 
SOLUTIONS 
Where is the stratosphere? - ANSWER 10 to 30 miles 
Where is ozone located? - ANSWER stratosphere 
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 - ANSWER b. Molecules 
containing 3 oxygen atoms 
Which of the following refrigerants has t...
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HVAC EPA 608 CORE Exam Test Questions With Answers |Verified | ALREADY PASSED
- Exam (elaborations) • 11 pages • 2023
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HVAC EPA 608 CORE Exam Test 
Questions With Answers |Verified | 
ALREADY PASSED 
what is CFCs? - ANSWER Chlorofluorocarbons (Chlorine, 
Fluorine, and carbon) 
What is HCFCs? - ANSWER Hydrochlorofluorocarbons 
(hydrogen, chlorine, fluorine, and carbon) 
What is ASHRAEs? - ANSWER The American Society of 
Heating Refrigerating and Airconditioning Engineers. A global 
professional association seeking to advance heating, ventilation, 
airconditioning and refrigeration systems. 
What is the gre...
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EPA 608 - Type III Correct Questions & Answers
- Exam (elaborations) • 16 pages • 2023
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technicians maintaining, servicing, repairing, or disposing of low-pressure appliances must be certified as: - ANSWER Type III or Universal Technician 
 
the owner &/or operator of the equipment is responsible for keeping: - ANSWER records including: leak inspections & any completed leak repair verification tests 
 
it's the _______ &/or ___________ responsibility to obtain service records from the servicing company doing any work on an appliancem - ANSWER owner &/ or operator 
 
as of 11/14/94...
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RAC 40 Quiz 4 Review Questions | Latest Version | 2024/2025 | 100% Verified
- Exam (elaborations) • 8 pages • 2024
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RAC 40 Quiz 4 Review Questions | 
Latest Version | 2024/2025 | 100% 
 
Verified 
 
What is the main property of a refrigerant that allows it to change from liquid to gas? 
The main property is its low boiling point, which allows it to evaporate and absorb heat at 
low temperatures. 
 
What is a common environmental concern associated with certain refrigerants? 
Certain refrigerants contribute to ozone depletion and global warming. 
 
What is the difference between a CFC and an HFC refrigerant? 
...
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EPA SECTION 608 CORE (2019 revision) COMPLETE SOLUTION ( A+ GRADED 100% VERIFIED)
- Exam (elaborations) • 50 pages • 2023
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EPA SECTION 608 CORE (2019 revision) COMPLETE SOLUTION ( A+ GRADED 100% VERIFIED) 
 
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 - ANS b. Molecules containing 3 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 - ANS d. R...
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