EPA 608 Type I Quiz English


1. If the EPA regulations should change after a technician becomes certified:




2. At high temperatures, (i.e., open flames, glowing metal surfaces, etc.) R-12 and R-22 can decompose to form:




3. Which of the following refrigerants is most commonly used as a replacement for R-12 in new household refrigerators?




4. Recovery equipment used for the service or repair of small appliances must be certified by an EPA- approved laboratory if the recovery equipment was manufactured after:




5. . What is the maximum allowable factory charge of refrigerant for Type I appliances?




6. Why is it important to obtain an accurate pressure reading of refrigerant inside a recovery cylinder?




7. Recovery devices that were manufactured after November 15, 1993 and are used for recovery of refrigerant from small appliances must be capable of:




8. Solderless piercing valves should not remain installed on refrigeration systems after completion of repairs because




9. When ever nitrogen is used to pressurize or blow debris out of the system




10. What can cause excessive pressure on the high side of an active self-contained recovery device?




11. . Portable refillable tanks or containers used to ship recovered refrigerants must meet what standard(s)?




12. A recovery cylinder which is half full of recovered R-22 at normal room temperature (about 75F), in the absence of non-condensables, will be pressurized to:




13. . Before beginning a refrigerant recovery procedure it is ALWAYS necessary to:




14. . Which of the following refrigerants must be recovered with equipment currently regulated by the equipment certification requirements of the EPA under Section 608?




15. . In the event of a large release of R-12 or R-22 in a contained area, which of the following is true?




16. . According to the EPA, which recovery equipment maintenance practice(s) should be performed on a regular basis?




17. . Small amounts of refrigerant have no odor, therefore if a pungent odor is detected during a system recovery and/or repair:




18. . When recovering refrigerant into a non-pressurized container from a refrigerator with an inoperative compressor:




19. . Large spills of refrigerants can cause suffocation because:




20. . Which of the following is not a Type I appliance?




21. . When R-500 is recovered from an appliance, it:




22. . When you connect your service manifold to check system pressures, it's always a good idea to:




23. The EPA requires that all appliances must be equipped with a service aperture or other device that is used when adding or removing refrigerant from the appliance. For small appliances, this service port typically is:




24. . Anyone who recovers refrigerant during the maintenance, service or repair of small appliances must be certified as either a Universal Technician or a:




25. . EPA regulations require the capture of at least 80% of the refrigerant from a small appliance with a non-operating compressor if the technician is using:




26. When using a passive system-dependent recovery method on an appliance with an operating compressor, you should run the (appliance's) compressor:




27. A passive system-dependent recovery device for small appliances




28. The sale of CFC and HCFC refrigerants is




29. Which of the refrigerants listed below should be recovered with current EPA-approved recovery devices?




30. . When servicing a small appliance with a leak:




31. . For which of the following refrigeration systems/appliances would it be permissible to use a passive recovery device for refrigerant recovery?




32. . When using any equipment or servicing any system that has schraeder valves, it is "critical" to:




33. . If R-12 or R-22 are exposed to high temperatures, (from open flames or glowing hot metal surfaces for example), these refrigerants can decompose to form:




34. . When using a graduated charging cylinder, any refrigerant that is vented from the charging cylinder:




35. A standard vacuum pump designed specifically for evacuation and dehydration can:




36. . The EPA Section 608 certification must be renewed every:




37. Prior to shipping any used refrigerant it is necessary to




38. . A refrigerant that can be used as a direct service "drop-in" substitute for R-12 in a small appliance is:




39. After installing and opening a piercing access valve, if the system pressure is _______ do not begin the recovery procedure.




40. The EPA definition of a small appliance includes which of the following?




41. When using _________, it is essential to take extra measures (such as heating or striking the compressor), to help release trapped refrigerant from the compressor oil.




42. . It is an EPA regulation that any person who opens an appliance for maintenance, service or repair must have at least one self-contained recovery machine available at their place of business. The only exception to this rule are persons working on:




43. Which of the following are part of the EPA's recommended safe work practices?




44. . Recovery devices that were manufactured before November 15, 1993 and are used for recovery of refrigerant from small appliances must be capable of:




45. . Piercing-type valves should only be used on which of the following tubing materials?




46. When using a passive system-dependent recovery process, you should access both the high and low side of the system for the refrigerant recovery if _____________.




47. . On a small appliance with an operating compressor that has a completely plugged capillary tube, what is the minimum number of access valves that are needed to evacuate the refrigerant?




48. . Technicians with a Type I small appliance certification are certified to recover refrigerant during the maintenance, service or repair of:




49. A recovery cylinder which is half full of recovered R-500 at normal room temperature (about 75F), in the absence of non-condensables, will be pressurized to:




50. . A Very-High-Pressure appliance is one that uses a refrigerant with a liquid phase saturation pressure above 355 psia at 104F. This definition includes but is not limited to appliances using which of the refrigerants listed below:




51. A refrigerant that can be used as a direct service "drop-in" substitute for R-22 in a small appliance is




52. . If a large leak of refrigerant occurs in an enclosed area and no self-contained breathing apparatus is available, then the technician should:




53. . When recovering refrigerant from a household refrigerator who's compressor does not run, it is recommended that low and high side access valves be installed because____________.




54. . A recovery cylinder which is half full of recovered R-12 at normal room temperature (about 75F), in the absence of non-condensables, will be pressurized to:




55. When using nitrogen, the nitrogen tank should always be equipped with a:




56. To avoid accidental removal of liquid refrigerant when recovering vapor from a system, using a self- contained (active) recovery device that cannot handle liquid refrigerant, you should draw vapor from the:




57. . If you install an access fitting onto a sealed system:\




58. . If you are recovering refrigerant from a frost- free refrigerator, you should:




59. When checking for the existence of noncondensable gases inside a recovery cylinder, why is it proper procedure to allow the temperature of the cylinder to stabilize at room temperature before taking a pressure reading:




60. . A standard vacuum pump designed specifically for evacuation and dehydration can




61. When ever nitrogen is used to pressurize or blow debris out of the system, the nitrogen:




62. If a reclamation processing plant is given a recovery tank containing a mixture of refrigerants, they can:




63. Refrigerant recovery devices must be equipped with low loss fittings. Low loss fittings are used to:




64. Recovery or recycling equipment which was manufactured after November 15,1993 and is used to recover refrigerant from small appliances prior to disposal of the small appliances must be used to:




65. The sale of refrigerants is:




66. . A recovery cylinder which is half full of recovered R-410A at 90 degrees F, in the absence of non-condensables, will be pressurized to:




67. Which refrigerants can be mixed?




68. When transporting refrigerants, DOT (Department of Transportation) Regulation number 49 CFR requires ______________ to be recorded on the shipping papers for hazard class 2.2, Nonflammable Compressed Gases?




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