Epa 608 stuvia - Study guides, Class notes & Summaries
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EPA 608 Certification Correct Questions & Answers
- Exam (elaborations) • 5 pages • 2023
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What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? - ANSWER November 14, 1994 
 
Section 608 of the Federal Clean Air Act requires technicians to what? - ANSWER Recover all refrigerants. 
 
The objective of the Clean Air Act is to protect what? - ANSWER The earth's stratosphere. 
 
HFC's - ANSWER HydroFlouroCarbon's 
 
CFC's - ANSWER ChloroFluoroCarbon's 
 
ODP - ANSWER Ozone Depletion Potential 
 
Which international treaty agreement was...
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EPA 608 - Type III Correct Questions & Answers(RATED A+)
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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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EPA 608 Type III Correct Questions & Answers 2023-2024 (SCORED A+)
- Exam (elaborations) • 18 pages • 2023
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Identify the pressure corresponding to 32 degrees F for R-123: ________. 
 
a) 23 inches of Hg vacuum 
b) 20 inches of Hg vacuum 
c) 17 inches of Hg vacuum 
d) 11 inches of Hg vacuum - ANSWER b) 20 inches of Hg vacuum 
 
A hydrostatic tube test kit is used to: _________. 
 
a) blow all water from the tubes 
b) remove any water from the machine 
c) vent refrigerant 
d) determine if a tube leaks - ANSWER d) determine if a tube leaks 
 
Excessive running of a purge system on a low pressure chiller ...
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EPA 608 Type III Correct Questions & Answers(Rated A)
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A typical setting for the high pressure cut-out control on a recovery unit used for evacuating the refrigerant from a low pressure chiller is: - ANSWER C) 10 psig. 
 
A charged low pressure refrigeration system can be efficiently leak checked by: - ANSWER D) raising system pressure by heating with circulated hot water or heating blankets. 
 
The existence of air in a low pressure system, causes __________. - ANSWER C) high head pressure. 
 
Which safety precaution should be adhered to for low pr...
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EPA 608 Type 3 Correct Questions & Answers(Rated A)
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On low pressure chillers, moisture typically enters the refrigerant system through - ANSWER air leaks from areas with gaskets or fittings 
 
The maximum test pressure for leak testing a low pressure centrifugal is: - ANSWER 10 psig 
 
Leak test and repair the chiller to reduce refrigerant loss from a pruge unit on CFC-11 chiller - ANSWER ... 
 
A hydrostatic tube test kit is used to: - ANSWER determine if a tube leaks 
 
Commercial and industrial process refrigeration systems must be repaired wh...
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EPA 608 study Guide Correct Questions & Answers
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a vacum pump should be connected - ANSWERSas far away from the pump as possible 
 
a high capacity vacuum pump and short, large diameter hoses will - ANSWERSdramatically reduce emissions, pressure drop, and evacuation/dehydration time 
 
ozone contains three - ANSWERSoxygen atoms 
 
one chlorine atom can destroy - ANSWERS100,000 ozone molecules 
 
CFC's do not dissolve in water and do not breakdown into other compounds that dissolve in water - ANSWERSCFC's cannot be washed out of the lower atm...
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EPA 608 Certification| 70 Questions | Correct Answers| Verified 100%
- Exam (elaborations) • 5 pages • 2023
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What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? - ANSWERSNovember 14, 1994 
 
Section 608 of the Federal Clean Air Act requires technicians to what? - ANSWERSRecover all refrigerants. 
 
The objective of the Clean Air Act is to protect what? - ANSWERSThe earth's stratosphere. 
 
HFC's - ANSWERSHydroFlouroCarbon's 
 
CFC's - ANSWERSChloroFluoroCarbon's 
 
ODP - ANSWERSOzone Depletion Potential 
 
Which international treaty agreement was...
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EPA 608 ESCO--Type 1......Online Questions & Answers 100% Correct!
- Exam (elaborations) • 1 pages • 2024
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If regulations change after the technician becomes certified.........? - ANSWERThe technician is responsible for complying with any changes to the regulations 
 
System-dependent recovery methods may only be used on appliances containing......? - ANSWER15 pounds of refrigerant or less 
 
Which HC refrigerant is allowed for use in New Domestic Small Appliances......? - ANSWERR-600A 
 
When filling a charging cylinder with a regulated refrigerant.......? - ANSWERThe refrigerant vapor that is vente...
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EPA 608 Type III Sample Test Questions & Answers
- Exam (elaborations) • 9 pages • 2023
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Where do leaks commonly occur in low pressure systems? 
a. Evaporator 
b. Condenser 
c. Purge unit 
d. Gaskets or fittings - ANSWER d. Gaskets or fittings 
 
Where do leaks commonly occur in open-drive type compressor systems? 
a. Evaporator 
b. Condenser 
c. Shaft seal 
d. Cooling tower - ANSWER c. Shaft seal 
 
Does refrigerant go out of the system in low pressure systems or does air and 
moisture go in? 
a. Refrigerant escapes through low pressure leaks. 
b. Air and moisture enter the refrige...
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EPA 608 Type III Exam Correct 100% Correct!!
- Exam (elaborations) • 4 pages • 2023
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Before recovering refrigerant from a chiller suspected of having tube leaks,... - ANSWER ...drain the water sides of the evaporator and condenser. Draining the water sides helps to avoid the introduction of additional water into the system cause by the evacuation process and to prevent the water from freezing as the refrigerant evaporates during recovery. 
 
How can you pressurize a low-pressure chiller to make a non-major repair? - ANSWER Warm up the system. 
 
Under EPA regulations, you may wa...
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