Hfos - Study guides, Class notes & Summaries
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HVAC: EPA 608 TEST PREP QUESTIONS & ANSWERS
- Exam (elaborations) • 6 pages • 2023
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1. Ozone molecule has: 3 oxygen atoms. 
2. Recover any remaining refrigerant and then render the cylinder useless, then recycle the 
metal is the proper disposal method for: disposable cylinders. 
3. Silicone elastomers, for use in seals and gaskets, are not compatible with which 
refrigerants: HFOs. 
4. What is the Significant New Alternatives Policy (SNAP) Program: EPA's. program that 
identifies refrigerants with lower overall risks to human health and the environment. 
5. Clean refrigerant ...
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EPA SECTION 608 CORE (2022 revision) Exam Questions and Answers, Graded A+
- Exam (elaborations) • 20 pages • 2022
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EPA SECTION 608 CORE (2022 revision) Exam Questions and Answers, Graded A+ 
 
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 
 
Which of the fol...
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EPA 608 CORE 9TH ED.|UPDATED&VERIFIED|100% SOLVED|GUARANTEED SUCCESS
- Exam (elaborations) • 3 pages • 2023
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Which type of refrigerant contains no chlorine? 
HFC's 
 
 
 
An ozone molecule contains; 
three oxygen atoms 
 
 
 
 
 
HFCs ________; 
will not damage stratospheric ozonem, but have a high GWP. 
 
 
 
Recover any remaining refrigerant and then render the cylinder useless, then recycle the metal is the proper disposal method for; 
disposable cylinders 
 
 
 
The condenser _______________________________________ 
changes a high-pressure vapor to a high-pressure liquid. 
 
 
 
Which of the follo...
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609 ESCO Exam Practice Questions and Answers 100% Pass
- Exam (elaborations) • 6 pages • 2024
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609 ESCO Exam Practice Questions and 
Answers 100% Pass 
Who Must Be Certified? Any person that services Motor Vehicle Air Conditioning 
(MVAC) must be certified. Servicing of motor vehicle air conditioning includes repairs, 
leak testing, and "topping off" of air conditioning systems low on refrigerant, as well as 
any other repair to the vehicle that requires dismantling any part of the air conditioner. 
NOTE: Service performed on HCFC-22 air conditioner systems typically found on 
busses, i...
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EPA Study Test Solved Questions and Answers
- Exam (elaborations) • 7 pages • 2023
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EPA Study Test Solved Questions and Answers 
 
The technician - Should the EPA regulations change, who's responsibility is it to comply with these changes? 
 
CFC, HCFC, HFC, and HFO refrigerants - What refrigerants are currently being regulated? 
 
False - You can work under another person's certification. 
 
Appliances charged with 5 lbs or less of refrigerant - Type 1 covers what kind of appliances? 
 
Split-systems - What kind of appliance is not included in Type 1? 
 
Water coolers, wind...
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HVAC: EPA 608 TEST PREP QUESTIONS & ANSWERS
- Exam (elaborations) • 6 pages • 2023
- Available in package deal
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1. Ozone molecule has: 3 oxygen atoms. 2. Recover any remaining refrigerant and then render the cylinder useless, then recycle the metal is the proper disposal method for: disposable cylinders. 3. Silicone elastomers, for use in seals and gaskets, are not compatible with which refrigerants: HFOs. 4. What is the Significant New Alternatives Policy (SNAP) Program: EPA's. program that identifies refrigerants with lower overall risks to human health and the environment. 5. Clean refrigerant for reu...
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Epa 608 Universal Elaborated Questions And Reviewed Answers
- Exam (elaborations) • 6 pages • 2024
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Epa 608 Universal Elaborated Questions 
And Reviewed Answers 
Ozone - CORRECT ANSWER-03 atoms 
Air we breathe - CORRECT ANSWER-O2 
Length of ozone - CORRECT ANSWER-7-28 miles above atmosphere 
ODP - CORRECT ANSWER-Ozone Depletion Potential 
What causes odp - CORRECT ANSWER-Chlorine containing refrigerants 
How many ozone molecules are destroyed by 1 chlorine molecule - CORRECT 
ANSWER-100,000 
Montreal Protocol (1987) - CORRECT ANSWER-phase out of ozone depleting 
substances. 
UV radiation ri...
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EPA Section 608 Core questions with complete solutions
- Exam (elaborations) • 4 pages • 2022
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What does ozone in the stratosphere above the earth consist of? correct answer: Molecules containing 3 oxygen atoms 
 
Which of the following refrigerants has the lowest global warming potential? correct answer: a. R-134a 
b. R-407C 
c. R-410A 
d. R-600a 
 
 
 
d. R-600a (GWP - 3) 
 
Which gas is used as the baseline measurement for global warming potential? correct answer: Carbon Dioxide 
 
Which type of refrigerant typically has the lowest global warming potential? correct answer: HFOs 
 ...
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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 Section 608 Certification CORE questions with complete solutions
- Exam (elaborations) • 2 pages • 2022
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Most Serious Results of damage to the ozone correct answer: Increased Rates of skin cancer in humans 
 
Which human health effect increases from damage to the ozone correct answer: Cases of cataracts 
 
What effects can stratospheric ozone depletion have on the environment? correct answer: Decreased Crop yield and damage to marine organism 
 
what are the characteristics of HFOs correct answer: Non ozone depletion & low global warming potential 
 
What characteristic of HFC refrigerant m...
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