EPA 608 Exam:SkillCat EPA 608 Certification Exam/SkillCat EPA 608 Certification Exam Review:EPA 608 Exam Type 1:EPA 608 Exam Type 2:EPA 608 Exam Type 3:EPA 608 universal Exam:SkillCat EPA 608 Exam: Questions & Answers; EPA 608 TYPE II /Mainstream Engineering/Questions & Answers: Updated APlus Solut...
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What is EPA 608 Type I certification? (Ans- Persons who maintain, service, repair, or dispose of small appliances (containing 5 pounds of refrigerant (or less). What is EPA 608 Type II certification? (Ans- Persons who maintain, service, repair, or dispose of high and very high pressure applia...
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Add to cartWhat is EPA 608 Type I certification? (Ans- Persons who maintain, service, repair, or dispose of small appliances (containing 5 pounds of refrigerant (or less). What is EPA 608 Type II certification? (Ans- Persons who maintain, service, repair, or dispose of high and very high pressure applia...
Which refrigerants have a "0" ODP (Ans- HFC's Disposable refrigerants cylinders should be disposed of by: (Ans- Rendering useless and sent to salvage Which refrigerant is a strong candidate for replacing CFC (R-12) in small appliances? (Ans- R-134a Which refrigerant can be used for l...
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Add to cartWhich refrigerants have a "0" ODP (Ans- HFC's Disposable refrigerants cylinders should be disposed of by: (Ans- Rendering useless and sent to salvage Which refrigerant is a strong candidate for replacing CFC (R-12) in small appliances? (Ans- R-134a Which refrigerant can be used for l...
When refrigerant enters the condenser what state is the refrigerant in? (Ans- High pressure vapor When refrigerant enters the metering device what state is the refrigerant in? (Ans- High pressure liquid When refrigerant exits the metering device what state is the refrigerant in? (Ans- Low pre...
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Add to cartWhen refrigerant enters the condenser what state is the refrigerant in? (Ans- High pressure vapor When refrigerant enters the metering device what state is the refrigerant in? (Ans- High pressure liquid When refrigerant exits the metering device what state is the refrigerant in? (Ans- Low pre...
During the evacuation of a system that contains large amounts of moisture it may be necessary to increase pressure in the system with ________, to counteract the freezing of the moisture. (Ans- Nitrogen. When under a deep vacuum, the motor winding of a hermetic refrigeration compressor? (Ans-...
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Add to cartDuring the evacuation of a system that contains large amounts of moisture it may be necessary to increase pressure in the system with ________, to counteract the freezing of the moisture. (Ans- Nitrogen. When under a deep vacuum, the motor winding of a hermetic refrigeration compressor? (Ans-...
Which of the following refrigerants is classified as a very high-pressure refrigerant? A CFC-11 B R-744 C HCFC-123 D R-410A (Ans- R-744 When recovering refrigerant from a medium-pressure system with more than 200 lbs. of refrigerant, recover to a level of; A 0" Hg B 4" Hg C 10" H...
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Add to cartWhich of the following refrigerants is classified as a very high-pressure refrigerant? A CFC-11 B R-744 C HCFC-123 D R-410A (Ans- R-744 When recovering refrigerant from a medium-pressure system with more than 200 lbs. of refrigerant, recover to a level of; A 0" Hg B 4" Hg C 10" H...
Type one certification is required for; (Ans- Persons handling refrigerant during maintenance, service, or repair of small appliances. Recovery equipment must be (Ans- Certified by an EPA approved testing laboratory When filling a charging cylinder with a regulated refrigerant; (Ans- The refri...
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Add to cartType one certification is required for; (Ans- Persons handling refrigerant during maintenance, service, or repair of small appliances. Recovery equipment must be (Ans- Certified by an EPA approved testing laboratory When filling a charging cylinder with a regulated refrigerant; (Ans- The refri...
The process that reduces contaminants in used refrigerant by separation with single and multiple passes through devices such as replaceable filter core driers, which reduce moisture, acid and particulate matter is: a. Restoring. b. Recovery. c. Recycling. d. Reclaim . (Ans- C. Recycling. Th...
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Add to cartThe process that reduces contaminants in used refrigerant by separation with single and multiple passes through devices such as replaceable filter core driers, which reduce moisture, acid and particulate matter is: a. Restoring. b. Recovery. c. Recycling. d. Reclaim . (Ans- C. Recycling. Th...
Which type of refrigerant is the most harmful to stratospheric ozone? - Refrigerants containing Bromine According to the EPA, a_______ leak detection method is considered to be the most effective for locating the general area of a small leak. - electronic or ultrasonic tester Long hoses between...
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Add to cartWhich type of refrigerant is the most harmful to stratospheric ozone? - Refrigerants containing Bromine According to the EPA, a_______ leak detection method is considered to be the most effective for locating the general area of a small leak. - electronic or ultrasonic tester Long hoses between...
After completing the transfer of liquid refrigerant between a recovery unit and a refrigeration system, you should guard against what? (Ans- Trapping liquid refrigerant between the service valves. When pressurizing a system with nitrogen, you should always? (Ans- Charge through a pressure reg...
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Add to cartAfter completing the transfer of liquid refrigerant between a recovery unit and a refrigeration system, you should guard against what? (Ans- Trapping liquid refrigerant between the service valves. When pressurizing a system with nitrogen, you should always? (Ans- Charge through a pressure reg...
Which of the following refrigerants is classified as a very high-pressure refrigerant? (Ans- R-744 Refrigerant should be recovered from the condenser outlet if the condenser is; (Ans- Below the receiver When dehydrating a system, it should be evacuated to a minimum level of; (Ans- 500 Micron...
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Add to cartWhich of the following refrigerants is classified as a very high-pressure refrigerant? (Ans- R-744 Refrigerant should be recovered from the condenser outlet if the condenser is; (Ans- Below the receiver When dehydrating a system, it should be evacuated to a minimum level of; (Ans- 500 Micron...
What is the term used for a refrigerant blend that has multiple boiling points and condensing points? (Ans- temperature-glide What is the term for a refrigerant blend that does not have temperature-glide? (Ans- azeotropic A service aperture or stub is required on all equipment of what types? ...
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Add to cartWhat is the term used for a refrigerant blend that has multiple boiling points and condensing points? (Ans- temperature-glide What is the term for a refrigerant blend that does not have temperature-glide? (Ans- azeotropic A service aperture or stub is required on all equipment of what types? ...
After refrigerant liquid has been recovered from a system, any remaining vapor is: _______. a) purged to the atmosphere b) isolated in the system c) pumped into the system receiver d) condensed by the recovery system (Ans- d) condensed by the recovery system Heat pumps that have been retrofit...
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Add to cartAfter refrigerant liquid has been recovered from a system, any remaining vapor is: _______. a) purged to the atmosphere b) isolated in the system c) pumped into the system receiver d) condensed by the recovery system (Ans- d) condensed by the recovery system Heat pumps that have been retrofit...
When recharging a refrigeration system with R-11, what vapor pressure is necessary in the shells before charging with liquid? a) 21.1 inches of Hg vacuum b) 19.7 inches of Hg vacuum c) 18.1 inches of Hg vacuum d) 16.9 inches of Hg vacuum (Ans- d) 16.9 inches of Hg vacuum During the evacuation...
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Add to cartWhen recharging a refrigeration system with R-11, what vapor pressure is necessary in the shells before charging with liquid? a) 21.1 inches of Hg vacuum b) 19.7 inches of Hg vacuum c) 18.1 inches of Hg vacuum d) 16.9 inches of Hg vacuum (Ans- d) 16.9 inches of Hg vacuum During the evacuation...
Which of the following always falls under the EPA definition for major maintenance, service, or repair? (Ans- Replacing a Compressor What effect will low ambient temperatures have on recovery? (Ans- Increased recovery time What should be used to remove ice from sight glasses or viewing glasses...
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Add to cartWhich of the following always falls under the EPA definition for major maintenance, service, or repair? (Ans- Replacing a Compressor What effect will low ambient temperatures have on recovery? (Ans- Increased recovery time What should be used to remove ice from sight glasses or viewing glasses...
which of the following is NOT a Type I appliance? (Ans- an MVAC-like system that holds 3 pounds of R-12 which refrigerants can be mixed? (Ans- none EPA rules requires captures of 80% of refrigerant from a small appliance sealed system with a non-operating compressor if technicians are using __...
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Add to cartwhich of the following is NOT a Type I appliance? (Ans- an MVAC-like system that holds 3 pounds of R-12 which refrigerants can be mixed? (Ans- none EPA rules requires captures of 80% of refrigerant from a small appliance sealed system with a non-operating compressor if technicians are using __...
when should piercing type valves be used and what is a common problem of these valves? (Ans- Fitting tend to leak over time and should not be left on appliances. when was it established that it was a violation to vent CFCs or HCFCs? (Ans- July 1st, 1992. when was it required for recovery/recyc...
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Add to cartwhen should piercing type valves be used and what is a common problem of these valves? (Ans- Fitting tend to leak over time and should not be left on appliances. when was it established that it was a violation to vent CFCs or HCFCs? (Ans- July 1st, 1992. when was it required for recovery/recyc...
You have repaired a significant leak in an industrial process refrigeration system that contains 1000 pounds of R-404A. How often is the owner required to perform a leak inspection to verify the system is no longer leaking? (Ans- Every 3 months A comfort-cooling appliance containing 60 pounds o...
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Add to cartYou have repaired a significant leak in an industrial process refrigeration system that contains 1000 pounds of R-404A. How often is the owner required to perform a leak inspection to verify the system is no longer leaking? (Ans- Every 3 months A comfort-cooling appliance containing 60 pounds o...
During the evacuation of a system that contains large amounts of moisture it may be necessary to increase pressure in the system with ________, to counteract the freezing of the moisture. (Ans- Nitrogen. When under a deep vacuum, the motor winding of a hermetic refrigeration compressor? (Ans- ...
Preview 2 out of 14 pages
Add to cartDuring the evacuation of a system that contains large amounts of moisture it may be necessary to increase pressure in the system with ________, to counteract the freezing of the moisture. (Ans- Nitrogen. When under a deep vacuum, the motor winding of a hermetic refrigeration compressor? (Ans- ...
Which of the following refrigerants is classified as a very high-pressure refrigerant? A CFC-11 B R-744 C HCFC-123 D R-410A (Ans- R-744 When recovering refrigerant from a medium-pressure system with more than 200 lbs. of refrigerant, recover to a level of; A 0" Hg B 4" Hg C 10" H...
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Add to cartWhich of the following refrigerants is classified as a very high-pressure refrigerant? A CFC-11 B R-744 C HCFC-123 D R-410A (Ans- R-744 When recovering refrigerant from a medium-pressure system with more than 200 lbs. of refrigerant, recover to a level of; A 0" Hg B 4" Hg C 10" H...
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