Ozone depletion Guides d'étude, Notes de cours & Résumés
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EPA Section 609 Exam Questions With Correct Answers
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A refillable refrigerant cylinder must not be filled above ______ of its full capacity. - Answer 80% 
 
Ozone layer absorbs and scatters ________ from the sun - Answer Ultraviolet light 
 
An award of up to ______ may be paid to a person supplying information that leads to a penalty against a technician who is intentionally venting. - Answer $10,000 
 
Since ________, it is no longer legal for CFCs to be manufactured or imported into the United States - Answer Jan 1, 1996 
 
R-134a is a chlorine...
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NFPA 10 Exam 99 Questions with Verified Answers,100% CORRECT
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NFPA 10 Exam 99 Questions with Verified Answers 
 
(SI) - CORRECT ANSWER International System of Units 
 
1 in=. mm - CORRECT ANSWER 25.4 
 
Approved - CORRECT ANSWER Acceptable to the authority having jurisdiction. 
 
(AHJ) - CORRECT ANSWER Authority Having Jurisdiction 
O rganization, office or individual responsible for enforcing requirements of a code or standard, or for approving equipment, materials, an installation or procedure. 
 
Shall - CORRECT ANSWER Indicates a mandatory requirement....
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EPA 608 universal With correct Answers
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EPA 608 universal with correct Answers 
Refrigeration technicians who violate the Clean Air Act can: - 
After 1995, any supplies of CFC refrigerants to service existing units in the USA can only come from: - Refrigerant that is recovered can be returned to: 
 
Refrigerant can not be called "reclaimed" unless it: - . 
The EPA can require a technician to demonstrate their ability to perform proper procedures for recovering and/or recycling refrigerant. Failure to demonstrate competency can re...
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ENL1501 Assignment 1 Semester 1 2024 (Solutions)
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ENL1501 Assignment 1 Semester 1 2024 (Solutions) 
 
Question 1 
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How can packaging support the environment? 
a. 
By providing clear environmental information 
b. 
By using excessive materials 
c. 
By making products more expensive 
d. 
By being visually unappealing 
Clear my choice 
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What is the primary role of air for bioresources? 
a. 
Providing structural s...
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EPA Section 609 Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+
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A refillable refrigerant cylinder must not be filled above ______ of its full capacity. 
: 80% 
Ozone layer absorbs and scatters ________ from the sun 
: Ultraviolet light 
An award of up to ______ may be paid to a person supplying information that leads to a 
penalty against a technician who is intentionally venting. 
: $10,000 
Since ________, it is no longer legal for CFCs to be manufactured or imported into the 
United States 
: Jan 1, 1996 
R-134a is a chlorine-free refrigerant 
: True 
2...
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EPA 608 CORE Exam Questions and Answers (2022/2023) (Verified Answers) Graded A+
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EPA 608 CORE Exam Questions and Answers (2022/2023) 
(Verified Answers) Graded A+ 
What characteristic or characteristics of CFCs make them more likely than other 
chlorine compounds to reach the stratosphere? Dont disolve iin water 
Each chlorine atom in the stratosphere can destroy how many ozone molecules? 
100,000 ozone molecules 
Which refrigerant contains a CFC? 
R500, R12, R113 or R11? Theyre all CFC's 
HYDROCHLORIC FLORICCARBON (HCFC) refrigerant contain? Hydrogen, 
chlorine, flouri...
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EPA 608 Certification Exam with 100% Correct Answers 2023
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What date was the sale of CFC's & HCFC's restricted to technicians certified in 
refrigerant recovery? - Correct answer-November 14, 1994 
Section 608 of the Federal Clean Air Act requires technicians to what? - Correct 
answer-Recover all refrigerants. 
The objective of the Clean Air Act is to protect what? - Correct answer-The earth's 
stratosphere. 
HFC's - Correct answer-HydroFlouroCarbon's 
CFC's - Correct answer-ChloroFluoroCarbon's 
ODP - Correct answer-Ozone Depletion Potential 
W...
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ASE AC 609 Question and answers 2023
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ASE AC 609 Question and answers 2023Ozone Depletion Potential - correct answers chemical rating that ranges from 0.01-1.0 and that refers to the amount of ozone depletion caused by a substance compared to CFC-11 (eg HCFC-22 depletes .034 of the ozone where CFC-11 would deplete 1.0) 
 
class 1 substance - correct answers ozone depleting chemical with an ozone depletion potential greater than .2 (eg CFCs)HCFCs - correct answers Hydrochlorofluorocarbons, eg R-22 (HCFC-22) 
 
HFCs - correct...
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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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(Answered) EPA SECTION 608 CORE (2021-2022 revision)
- Examen • 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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EPA 608 Core Questions and Answers Already Passed
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Where is the stratosphere? 10 to 30 miles 
Where is ozone located? stratosphere 
What does an ozone molecule consist of? 3 oxygen atoms 
The ozone layer protects us from... ultraviolet radiation 
The ozone layer helps to maintain... stable earth temperatures 
Depletion of ozone causes... crop loss, eye disease, skin cancer, reduced marine life, 
deforestation, increased ground level ozone. 
What type of refrigerants, when released into the atmosphere, ca
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