Epa 608 stuvia Study guides, Class notes & Summaries
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EPA SECTION 608 TYPE III| 25 Questions | Correct Answers
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Which of the following refrigerants 
has a safety classification of B-1 - ANSWER HCFC-123 (R-123) 
 
The EPA-required evacuation level for 
recovery or recycling equipment used on 
low-pressure systems is - ANSWER 25 mm of Hg absolute. 
 
Which organization establishes the refrigerant safety group standard? - ANSWER ASHRAE 
 
Where is the purge unit located in a low-pressure system? - ANSWER The top of the condenser. 
 
To repair a chiller operating with R-22, the technician; - ANSWER must ha...
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EPA 608 TYPE III Correct Questions & Answers!!
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A-1 - ANSWER refrigerants CFC-12, HCFC-22, HFC-134a are all classified as type what substances? 
 
15 hg - ANSWER when recovering refrigerant from a medium pressure system with more than 200lbs of refrigerant, recover to a level of? 
 
30% - ANSWER EPA requires that all industrial process refrigeration systems containing more than 50 lbs of refrigerant MUST be repaired when the annual leak rate excceds? 
 
pressurize system using controlled hot water - ANSWER whats the most efficient method of l...
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EPA 608 Type III Complete Questions & Answers!!
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What do R-11 and R-123 refrigerants have in common? 
 
A. They are oxygen depleting 
B. They are Class I and II substances as defined by the EPA 
C. Both A and B 
D. Neither A nor B - ANSWER C. Both A and B 
 
What is the required evacuation level for recovering refrigerant from a low-pressure appliance with a recovery machine manufactured before November 15, 1993? 
 
A. 0 psig 
B. 4" Hg 
C. 10 A Hg 
D. 25" Hg - ANSWER D. 25" Hg 
 
How is frost best removed from a sight glass? 
 
A. reverse ...
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EPA 608 Type 3 Certifications Questions & Answers!!
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When using recovery or recycling equipment manufactured or imported on or after Nov 15, 1993, the required level of evacuation for low pressure equipment is _____ Hg absolute: 
 
30mm 
25mm 
15mm 
20mm - ANSWER 25mm 
 
The EPA requires that all commercial and industrial process refrigeration systems with more than 50lb of refrigerant be repaired when the annual leak rate exceeds ______: 
 
35% 
15% 
30% 
25% - ANSWER 35% 
 
Open-drive compressors are typically _____ compressors 
 
centrifugal 
r...
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EPA 608 Certification Questions & Answers
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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 Study Guide Correct 100% Correct!
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The state of the refrigerant entering the metering device is: - ANSWER High pressure liquid 
 
The following components are metering devices: - ANSWER Evaporator pressure regulator, Thermostatic expansion valve 
 
The state of the refrigerant entering the compressor is: - ANSWER Low pressure vapor 
 
Before the recovery process can be initiated, a technician must know: - ANSWER The type of refrigerant in the system 
 
Checking the pressure of a recovery cylinder at a known temperature can determ...
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EPA 608 Type III Correct Questions & Answers 2023-2024 (SCORED A+)
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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+)
- 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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EPA 608 Book Exam TYPE III CERTIFICATION CORRECT 100%(SCORED A+)
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Technicians maintaining, servicing, repairing or disposing of low-pressure appliances must be certified as - ANSWER Type III Technician or a Universal Technician. 
 
As of November 14, 1994, the sale of CFC and HCFC refrigerants is restricted to - ANSWER Certified technicians, NOTE: If EPA regulations change after the technician is certified, it will be the technician's responsibility to comply with any future changes. 
 
Because a low-pressure system operates below atmospheric pressure (in a v...
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EPA 608 Practice exam Type 3| 50 Questions | Correct 100% Correct!!
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The maximum test pressure for leak testing a low-pressure centrifugal chiller is - ANSWER 10 psig 
 
Excessive operation of a purge system means - ANSWER The system has a leak on the sub-ambient pressure side of the system 
 
For a commercial refrigeration system with a charge of 50 pounds or more refrigerant, a substantial (or threshold) week rate will be reduced to ________ after January 1, 2019. - ANSWER 20% 
 
For a comfort cooling system with a charge of 50 pounds or more of refrigerant, a ...
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