R410a - Study guides, Class notes & Summaries

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...

HVAC FINAL GRADED A Which of the following would have the greatest effect on the heat content of the refrigerant? A) The refrigerant's humidity B) The refrigerant's state C) The refrigerant's temperature D) The refrigerant's pressure ️Correct Answer B) The refrigerant's state A mechanical refrigeration system cools a room by: ️Removing heat from the room. The four types of cooling mechanisms are: ️Evaporative, Thermoelectric, Absorption, Mechanical Compression...

EPA 608 [2024] Core Exam Elaboration |100% Correct Answers| all of the above *Ans* Refrigeration technicians who violate the clean air act can: A. lose their epa certification B. be fined. C. be required to appear in federal court D. all of the above november 1995 *Ans* It has been illegal to vent substitutes for CFC and HCFC refrigerants since: R22 *Ans* which refrigerant has the lowest odp? R22, R11, R12, R113 recover *Ans* to remove refrigerant in any condition from a system and...

Industrial process and refrigeration units with a 50 pound charge or more with an annualized leak rate of _____ or more must have leaks repaired. - ans-35% Unless plans are made to replace a system exceeding the maximum leak, repairs must be made in; - ans-30 days Refrigerants CFC R-12, HCFC R-22, and HFC 134a are all classified as; - ans-type A- 1 All Refrigeration & HVAC systems are protected by a; - ans-pressure relief valve A refrigerant sensor which will sound an...

What is the Ozone Layer? What is the difference between ozone in the stratosphere and on the ground level? Ozone in the stratosphere between 7 and 28 miles above earth. On the ground level ozone is a harmful pollutant, in the stratosphere it is a protective shield. What is ODP? Ozone Depletion Potential It is the ability of a substance to destroy ozone in the stratosphere What is GWP? Global Warming Potential. The GWP of a refrigerant is its global warming impact rel...

EPA 608 [2024] Exam Elaboration |100% Correct Answers| Industrial process and refrigeration units with a 50 pound charge or more with an annualized leak rate of _____ or more must have leaks repaired. *Ans* 35% Unless plans are made to replace a system exceeding the maximum leak, repairs must be made in; *Ans* 30 days Refrigerants CFC R-12, HCFC R-22, and HFC 134a are all classified as; *Ans* type A- 1 All Refrigeration & HVAC systems are protected by a; *Ans* pressure relief valve A ...

Industrial process and refrigeration units with a 50 pound charge or more with an annualized leak rate of _____ or more must have leaks repaired. - Answer- 35% Unless plans are made to replace a system exceeding the maximum leak, repairs must be made in; - Answer- 30 days Refrigerants CFC R-12, HCFC R-22, and HFC 134a are all classified as; - Answer- type A- 1 All Refrigeration & HVAC systems are protected by a; - Answer- pressure relief valve A refrigerant sensor which will sound an...

Industrial process and refrigeration units with a 50 pound charge or more with an annualized leak rate of _____ or more must have leaks repaired. 35% Unless plans are made to replace a system exceeding the maximum leak, repairs must be made in; 30 days Refrigerants CFC R-12, HCFC R-22, and HFC 134a are all classified as; type A- 1 All Refrigeration & HVAC systems are protected by a; pressure relief valve A refrigerant sensor which will sound an alarm and automatic...

all of the above Refrigeration technicians who violate the clean air act can: A. lose their epa certification B. be fined. C. be required to appear in federal court D. all of the above november 1995 It has been illegal to vent substitutes for CFC and HCFC refrigerants since: R22 which refrigerant has the lowest odp? R22, R11, R12, R113 recover to remove refrigerant in any condition from a system and store it in an external container without necessarily testing o...

HVAC FINAL EXAM QUESTIONS AND ANSWERS ALL CORRECT.docx Which of the following would have the greatest effect on the heat content of the refrigerant? A)The refrigerant's humidity B)The refrigerant's state C)The refrigerant's temperature D)The refrigerant's pressure - Correct Answer B) The refrigerant's state A mechanical refrigeration system cools a room by: - Removing heat from the room. The four types of cooling mechanisms are: - Evaporative, Thermoelectric, Absorption, Mecha...