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EPA 609 Technician Certification Exam: 120 Latest Questions and Answers, Exams of Refrigeration and Air Conditioning

Ferris State University (FSU)Refrigeration and Air Conditioning

A comprehensive set of 85 questions and answers related to the epa 609 technician certification exam. It covers key topics such as ozone depletion, refrigerant types, and environmental regulations. Designed to help technicians prepare for the exam and understand the importance of environmentally responsible practices in the automotive air conditioning industry.

Typology: Exams

2024/2025

Available from 03/26/2025

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EPA 609 Technician Certification Exam | 120 Latest
Questions With Verified Answers |2025
1. T/F Ozone at ground level ans at Stratosphere is a harmful pollutant - Correct
Answer FALSE
2. For determining the Ozone Depletion Potential __________ having been
assigned a factor of 1 - Correct Answer CFC-11
3. Ozone layer absorbs and scatters __________ form the sun - Correct Answer
Ultraviolet light
4. T/F R-134 is a chlorine-free refrigerant - Correct Answer TRUE
5. a refillable refrigerant cylinder must not be filled above _________ of its full
capacity - Correct Answer 80%
6. T/F Ester-based synthetic oils can be mixed with oils - Correct Answer FALSE
7. An award of up to ___________ may be paid to a person suppplying
information that leads to a penalty against a technician who is intentially venting -
Correct Answer $10,000
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Download EPA 609 Technician Certification Exam: 120 Latest Questions and Answers and more Exams Refrigeration and Air Conditioning in PDF only on Docsity!

EPA 609 Technician Certification Exam | 120 Latest

Questions With Verified Answers | 2025

  1. T/F Ozone at ground level ans at Stratosphere is a harmful pollutant - Correct Answer FALSE
  2. For determining the Ozone Depletion Potential __________ having been assigned a factor of 1 - Correct Answer CFC- 11
  3. Ozone layer absorbs and scatters __________ form the sun - Correct Answer Ultraviolet light
  4. T/F R-134 is a chlorine-free refrigerant - Correct Answer TRUE
  5. a refillable refrigerant cylinder must not be filled above _________ of its full capacity - Correct Answer 80%
  6. T/F Ester-based synthetic oils can be mixed with oils - Correct Answer FALSE
  7. An award of up to ___________ may be paid to a person suppplying information that leads to a penalty against a technician who is intentially venting - Correct Answer $10,
  1. MVAC systems being disposed must be evacuated to _____________ of mercury before being scrapped - Correct Answer 4 INCHES
  2. Since _______________ it is no longer legal for CFCs to be manufactured or imported into the United States - Correct Answer JAN 1ST, 1996
  3. Since ___________________ it is illegal to vent substitutes for CFC and HCFC refrigerants - Correct Answer NOV 15, 1995
  4. Each chlorine ion are able to destroy ___________________ ozone molecules - Correct Answer 100,
  5. Lifetime of CFSs is believed to range from ________ years - Correct Answer 20 TO 100
  6. Ozone molecules consists of _______________ atoms of oxygen - Correct Answer THREE 14.Non-condensables in a refrigeration system result in a ________________ discharge pressure - Correct Answer higher
  1. T/F Every refrigerant cylinder need not be protected by some type of pressure relief device - Correct Answer FALSE
  2. Stratosphere layer consists of about ____________ of the available Ozone: - Correct Answer 90% 24.CFC are highly reactive in _______________ of atmosphere - Correct Answer lower levels 25.HFC-134a is the refrigerant that replaced _____________ in automotive air conditioning systems - Correct Answer R- 12
  3. R-152 is a chemical compound of which of the following: - Correct Answer HYDROGEN AND FLUORINE
  4. T/F R-134a a refrigerant does pose a cancer or birth defect hazard - Correct Answer FALSE
  5. T/F MVAC systems need not be evacuated to a vacuum before servicing - Correct Answer FALSE
  1. Disposable Refrigerant Tanks under _______________ must be evacuated before being scrapped - Correct Answer 20 POUNDS
  2. Supplies of CFC refrigerant for equipment servicing can ONLY come from which of the following: - Correct Answer RECOVERY, RECYCLING, RECLAMATION
  3. External Recovery Tanks must be evacuated to _______ of mercury before being put in service - Correct Answer 27 INCHES 32.Which of the following refrigerants has high ozone-depletion potential?: - Correct Answer CFCs
  4. CFCs manufacturing was discontinued as of ______________________ - Correct Answer JANUARY 1ST 1996
  5. Which element in refrigerant makes them chemically less stable once they enter the atmosphere? - Correct Answer HYDROGEN
  6. ______________ of stratospheric chlorine comes from ozone-depleting substances - Correct Answer 82%
  1. EPA is authorized to assess fines of up to ________ per day per violation for any violation of the act - Correct Answer 37,
  2. A floor tax also applies to anyone holding __________________or more of the regulated CFCs - Correct Answer 400 lb
  3. T/F At present there is no restriction on the sale of HFC-134a - Correct Answer TRUE 47.T/F Ultra violet radiation breaks down the CFCs and frees the chlorine ion - Correct Answer TRUE 48.Hydrofluorocarbons (HFCs) contributes to which of the following? - Correct Answer GLOBAL WARMING
  4. T/F R-134A is a flammable at ambient temperatures and atmospheric pressures - Correct Answer :FALSE 50.The Ozone layer consists of ozone in which part of the atmosphere? - Correct Answer STRATOSPHERE
  1. Which of the following will not react with ozone gas: - Correct Answer FLUORINE
  2. ___________________ has replaced CFC-12 in all automotive applications - Correct Answer HFC-134a
  3. T/F The Thermodynamic properties of HFC-134a are similar to CFC- 12 - Correct Answer True
  4. The color code for R-12 disposable refrigerant cylinders is ______________ - Correct Answer WHITE
  5. T/F The primary cause of over-pressurization of refrigeration cylinder is due to overheating - Correct Answer TRUE
  6. As per the CAA all records related to entities of MVAC system services must be maintained for ________________________ years - Correct Answer 3
  7. Since _____________ it has been illegal to vent substitutes for CFC 3 and HCFC refrigerants - Correct Answer NOV 15 1995
  1. Disposable cylinder are manufactured to specifications established by: - Correct Answer DOT
  2. Disposable cylinders are manufactured from: - Correct Answer STEEL
  3. Recovery cylinders are painted yellow in the shoulder area and ______________ down the side - Correct Answer 12 INCHES
  4. Moisture content in recycled R-134a (HFC-134a) that has been directly removed from and intended to be returned to a mobile air-conditioning system cannot exceed ________________ by weight - Correct Answer 50 PPM
  5. T/F Technicians who repair or service HFC-134a MVACs must be trained and certified by an EPA-approved organization - Correct Answer TRUE
  6. The sale of small containers of refrigerant under ________ including the one pound cans are restricted to only people certified in Section 609 - Correct Answer 20 lb
  7. Average ozone construction in Earth atmosphere as a whole is only about ______________ parts per million - Correct Answer 0.
  1. T/F Ozone layer is present in both Stratosphere and mesosphere layers of earth atmosphere - Correct Answer FALSE
  2. Which of the following refrigerant has a molecular formula is C2H4F2: - Correct Answer R-152a
  3. After reaching the required recovery vacuum on a system if the system pressure _______ indicating that there is either refrigerant in liquid form refrigerant trapped in the oil or a leak in the system - Correct Answer RISES
  4. T/F R-134a is a corrosive refrigerant - Correct Answer FALSE
  5. With the rising cost of refrigerant the value of the refrigerant stored in a 50lb. recovery tank is worth ____________________ the cost of a recovery tank - Correct Answer FIVE TIMES
  6. T/F Used Cylinders can be recycled with other scrap metal - Correct Answer TRUE
  7. Refrigeration cylinders must be re-tested at ___________________ intervals
  • Correct Answer FIVE-YEAR
  1. HFC-152a MVAC systems are acceptable if MVAC systems must be designed to avoid concentrations in the passenger cabin that are above __________ for more than 15 seconds - Correct Answer 3.7%
  2. Chlorine reacts with ozone and converts ozone to: - Correct Answer OXYGEN
  3. The sale of small containers of refrigerant under __________including the one pound cans are restricted to only people certified in Section 609 - Correct Answer 20 LB
  4. Section 608 HVAC/R Technicians cannot buy refrigerant in quantities less than ________________ - Correct Answer 20 LBS
  5. According to ____________ service shops must certify to the EPA that they own approved recovery. - Correct Answer CAA
  6. Skin or eye contact with fluorocarbon refrigerants can result in - Correct Answer IRRITATION, FROSTBITE, DEATH
  7. T/F Refrigerant are lighter than air: - Correct Answer FALSE
  1. Which of the following refrigerants has minimum or zero ozone depletion potential: - Correct Answer HFCs
  2. T/F Most halogenated compounds will decompose at room temperature: - Correct Answer FALSE
  3. T/F Ozone is an unstable molecule: - Correct Answer TRUE
  4. Countries responsible for approximately ____________ of the worlds production capacity for CFCs for CFCs and halons have signed the Montreal Protocol - Correct Answer 95%
  5. T/F Refrigerants that contain chlorine but not hydrogen are stable - Correct Answer TRUE
  6. HFC-134a contribute to which of the following: - Correct Answer GLOBAL WARMING
  7. Ozone layer extends at Earth altitude between _____________. - Correct Answer 7 AND 30 MILES
  1. The empty refillable refrigerant tank must be evacuated to a minimum vacuum of ____________ of mercury - Correct Answer 27 INCHES 107.____________ is the key agent responsible for stratospheric ozone depletion - Correct Answer CHLORINE MONOXIDE
  2. Which of the following are the causes of Ozone Layer Depletion: - Correct Answer VOLCANIC ERUPTIONS
  3. The CO2 system would be acceptable to the EPA under the condition that MVAC system was designed to avoid concentrations in the passenger cabin that are above ______________ for more than 15 minutes - Correct Answer 3%
  4. The _____________ has developed a standard recovery and recovery/ recycling machines that are to be used with flammable refrigerants - Correct Answer SAE
  5. Which of the following are associated with the risk of depletion of ozone layer - Correct Answer DAMAGE TO AGRICULTURE AND WILDLIFE, DAMAGE TO AQUATIC ORGANISMS, INCREASE IN SKIN CANCERS, INCREASED GLOBAL WARMING
  1. T/F The U.S EPA does characterize used refrigerants as hazardous waste - Correct Answer FALSE
  2. Since ______________ it has been illegal to vent substitutes for chlorofluorocarbons (CFC) and hydrochlorofluorocarbons (HCFCs) refrigerants: - Correct Answer NOV 15, 1995
  3. R-152a refrigerant chemical compound is not composed of which of the following: - Correct Answer CHLORINE
  4. Purity specification of new recycled or reclaimed R-134a must meet ___________ standard: - Correct Answer AHRI STANDARD 700
  5. Under these safe disposal requirements as per the EPA the final person in the disposal chain is responsible for ensuring that the refrigerant is recovered from the equipment before the final disposal of the equipment: - Correct Answer TRUE
  6. Refrigerant containers which contain refrigerant more than 20 pounds can be sold to a person who holds ____________ - Correct Answer EITHER SECTION 608 OR SECTION 609 CERTIFICATION