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Epa 608 Certification Study Set Exam
Epa 608 Certification Study Set Exam 
Are there drop-in replacements for R-12 systems? Why or why not? - CORRECT 
ANSWER-No because the new refrigerants are incompatible with the oils and lubricants 
used in R-12 systems. 
What type of oil is used in R-134a and what oils will it mix with? - CORRECT ANSWEREster based oils and they do not mix with other oils 
What type of lubricant is used with HCFCs? - CORRECT ANSWER-Alkylbenzene 
lubricant 
What is difference b/w ternary blend a azeotropic b...
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- • 9 pages •
Epa 608 Certification Study Set Exam 
Are there drop-in replacements for R-12 systems? Why or why not? - CORRECT 
ANSWER-No because the new refrigerants are incompatible with the oils and lubricants 
used in R-12 systems. 
What type of oil is used in R-134a and what oils will it mix with? - CORRECT ANSWEREster based oils and they do not mix with other oils 
What type of lubricant is used with HCFCs? - CORRECT ANSWER-Alkylbenzene 
lubricant 
What is difference b/w ternary blend a azeotropic b...
Epa 608 Universal Certificate Exam With 100% Correct Answers
Epa 608 Universal Certificate Exam With 
100% Correct Answers 
As technicians, we must follow and be up to date on all: - CORRECT ANSWER-Federal 
Law 
State Law 
Local Law 
For Universal Certification, you will receive how many questions? - CORRECT 
ANSWER-100
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- • 2 pages •
Epa 608 Universal Certificate Exam With 
100% Correct Answers 
As technicians, we must follow and be up to date on all: - CORRECT ANSWER-Federal 
Law 
State Law 
Local Law 
For Universal Certification, you will receive how many questions? - CORRECT 
ANSWER-100
Epa 608 Universal Elaborated Questions And Reviewed Answers
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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- • 6 pages •
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...
Epa 608 Universal Final Exam (questions and answers)
Epa 608 Universal Final Exam (questions 
and answers) 
Which refrigerants contain the most chlorine? - CORRECT ANSWER-CFC. 
R11,R12,R500. 
As of what date did it become unlawful to intentionally release Class I and Class II 
refrigerants to the atmosphere? - CORRECT ANSWER-July 1 1992. 
Which refrigerants have the lowest ozone depletion potential (ODP)? - CORRECT 
ANSWER-HFC. 
R134a. 
The molecule found in CFC and HCFC refrigerants that destroys ozone in the 
stratosphere is: - CORRECT ANS...
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Epa 608 Universal Final Exam (questions 
and answers) 
Which refrigerants contain the most chlorine? - CORRECT ANSWER-CFC. 
R11,R12,R500. 
As of what date did it become unlawful to intentionally release Class I and Class II 
refrigerants to the atmosphere? - CORRECT ANSWER-July 1 1992. 
Which refrigerants have the lowest ozone depletion potential (ODP)? - CORRECT 
ANSWER-HFC. 
R134a. 
The molecule found in CFC and HCFC refrigerants that destroys ozone in the 
stratosphere is: - CORRECT ANS...
Epa 608 Core Universal Verified Questions With Correct Solutions
Epa 608 Core Universal Verified 
Questions With Correct Solutions 
Refrigeration technicians who violate the Clean Air Act can: - CORRECT ANSWER-D) 
all of the above. 
After 1995, any supplies of CFC refrigerant to service existing units in the USA can only 
come from: - CORRECT ANSWER-A) recovery and recycling. 
Refrigerant that is recovered can be returned to: - CORRECT ANSWER-A) the same 
system or other systems owned by the same person without restriction. 
Refrigerant can not be called ...
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- • 11 pages •
Epa 608 Core Universal Verified 
Questions With Correct Solutions 
Refrigeration technicians who violate the Clean Air Act can: - CORRECT ANSWER-D) 
all of the above. 
After 1995, any supplies of CFC refrigerant to service existing units in the USA can only 
come from: - CORRECT ANSWER-A) recovery and recycling. 
Refrigerant that is recovered can be returned to: - CORRECT ANSWER-A) the same 
system or other systems owned by the same person without restriction. 
Refrigerant can not be called ...
Updated Exam With Reviewed Solutions For Epa 608
Updated Exam With Reviewed Solutions 
For Epa 608 
the state of the refrigerant entering the metering device is? - CORRECT ANSWER-A 
subcooled high pressure liquid. 
what type of refrigerant is used in VERY high-pressure appliances? - CORRECT 
ANSWER-R-503 
what type of refrigerant is used in MEDIUM pressure appliances? - CORRECT 
ANSWER-R-500 
what type of refrigerant is used in HIGH pressure appliances? - CORRECT ANSWERR-410A and R-22 
what device is located at the END of the liquid line?...
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- Exam (elaborations)
- • 11 pages •
Updated Exam With Reviewed Solutions 
For Epa 608 
the state of the refrigerant entering the metering device is? - CORRECT ANSWER-A 
subcooled high pressure liquid. 
what type of refrigerant is used in VERY high-pressure appliances? - CORRECT 
ANSWER-R-503 
what type of refrigerant is used in MEDIUM pressure appliances? - CORRECT 
ANSWER-R-500 
what type of refrigerant is used in HIGH pressure appliances? - CORRECT ANSWERR-410A and R-22 
what device is located at the END of the liquid line?...
Epa 608 Study Guide Exam (Type 1, 2 And 3)
Epa 608 Study Guide Exam (Type 1, 2 
And 3) 
a vacum pump should be connected - CORRECT ANSWER-as far away from the pump 
as possible 
a high capacity vacuum pump and short, large diameter hoses will - CORRECT 
ANSWER-dramatically reduce emissions, pressure drop, and evacuation/dehydration 
time 
ozone contains three - CORRECT ANSWER-oxygen atoms 
one chlorine atom can destroy - CORRECT ANSWER-100,000 ozone molecules 
CFC's do not dissolve in water and do not breakdown into other compounds ...
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- Exam (elaborations)
- • 6 pages •
Epa 608 Study Guide Exam (Type 1, 2 
And 3) 
a vacum pump should be connected - CORRECT ANSWER-as far away from the pump 
as possible 
a high capacity vacuum pump and short, large diameter hoses will - CORRECT 
ANSWER-dramatically reduce emissions, pressure drop, and evacuation/dehydration 
time 
ozone contains three - CORRECT ANSWER-oxygen atoms 
one chlorine atom can destroy - CORRECT ANSWER-100,000 ozone molecules 
CFC's do not dissolve in water and do not breakdown into other compounds ...
Epa 608 Universal Practice Questions And Correct Answers
Epa 608 Universal Practice Questions 
And Correct Answers 
The layer of the Stratosphere that protects us from excessive Ultra Violet radiation is 
comprised of - CORRECT ANSWER-Ozone
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- • 2 pages •
Epa 608 Universal Practice Questions 
And Correct Answers 
The layer of the Stratosphere that protects us from excessive Ultra Violet radiation is 
comprised of - CORRECT ANSWER-Ozone
Epa 608 Certification Actual Exam Set
Epa 608 Certification Actual Exam Set 
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 - C...
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- Exam (elaborations)
- • 6 pages •
Epa 608 Certification Actual Exam Set 
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 - C...
Epa 608 Universal Practice Exam Test
Epa 608 Universal Practice Exam Test 
Refrigeration technicians who violate the Clean Air Act can: - - CORRECT ANSWERLose 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. 
Re...
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- Exam (elaborations)
- • 12 pages •
Epa 608 Universal Practice Exam Test 
Refrigeration technicians who violate the Clean Air Act can: - - CORRECT ANSWERLose 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. 
Re...
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PEDIATRICS HESI PRACTICE QUESTIONS AND ANSWERS
PEDIATRICS HESI 2024 LATEST AND UPDATED EXAM
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