EPA 609 Technician Certification

1. T/F Ozone at ground level ans at Stratosphere is a harmful pollutant

2. For determining the Ozone Depletion Potential __________ having been assigned a factor of 1

3. Ozone layer absorbs and scatters __________ form the sun

4. T/F R-134 is a chlorine-free refrigerant

5. a refillable refrigerant cylinder must not be filled above _________ of its full capacity

6. T/F Ester-based synthetic oils can be mixed with oils

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

8. MVAC systems being disposed must be evacuated to _____________ of mercury before being scrapped

9. Since _______________ it is no longer legal for CFCs to be manufactured or imported into the United States

10. Since ___________________ it is illegal to vent substitutes for CFC and HCFC refrigerants

11. Each chlorine ion are able to destroy ___________________ ozone molecules

12. Lifetime of CFSs is believed to range from ________ years

13. Ozone molecules consists of _______________ atoms of oxygen

14.Non-condensables in a refrigeration system result in a ________________ discharge pressure

15. T/F Ozone depletion increases global warming

16. T/F If a technician is already trained and certified to handle HFC-134a

17.The Clean Air Act (CAA) of _____________ directs EPA to establish requirements

18. Over the road refrigeration units and R-22 (HCFC) air conditioning

19. Moisture level in Recycled R-12(CFC-12) that has been directly removed from

20. At high temperature CFC-12 can decompose to form _____________

21. T/F Refrigerants are light than air

22. T/F Every refrigerant cylinder need not be protected by some type of pressure relief device

23. Stratosphere layer consists of about ____________ of the available Ozone:

24.CFC are highly reactive in _______________ of atmosphere

25.HFC-134a is the refrigerant that replaced _____________ in automotive air conditioning systems

26. R-152 is a chemical compound of which of the following:

27. T/F R-134a a refrigerant does pose a cancer or birth defect hazard

28. T/F MVAC systems need not be evacuated to a vacuum before servicing

29. Disposable Refrigerant Tanks under _______________ must be evacuated before being scrapped

30. Supplies of CFC refrigerant for equipment servicing can ONLY come from which of the following:

31. External Recovery Tanks must be evacuated to _______ of mercury before being put in service

32.Which of the following refrigerants has high ozone-depletion potential?:

33. CFCs manufacturing was discontinued as of ______________________

34. Which element in refrigerant makes them chemically less stable once they enter the atmosphere?

35. ______________ of stratospheric chlorine comes from ozone-depleting substances

36. Which of the following has the Ozone Depletion Potential (ODP) value of 1

37. T/F CFC refrigerants are chemically highly unstable

38. _________ has recently been approved for use in automobile applications as an alternative to R-134a

39. The Global Warming Potential is reported relative to ______________________

40. CFCs deplete stratospheric ozone and that a hole has developed in the ozone layer over _________________________________

41.R-12 is a _______________ type of refrigerant

42. T/F HFCs and HCFCs decompose when released in lower atmosphere

43. T/F HFCs contributes to global warming

44. EPA is authorized to assess fines of up to ________ per day per violation for any violation of the act

45. A floor tax also applies to anyone holding __________________or more of the regulated CFCs

46. T/F At present there is no restriction on the sale of HFC-134a

47.T/F Ultra violet radiation breaks down the CFCs and frees the chlorine ion

48.Hydrofluorocarbons (HFCs) contributes to which of the following?

49. T/F R-134A is a flammable at ambient temperatures and atmospheric pressures

50.The Ozone layer consists of ozone in which part of the atmosphere?

51. Which of the following will not react with ozone gas:

52. ___________________ has replaced CFC-12 in all automotive applications

53. T/F The Thermodynamic properties of HFC-134a are similar to CFC-12

54. The color code for R-12 disposable refrigerant cylinders is ______________

55. T/F The primary cause of over-pressurization of refrigeration cylinder is due to overheating

56. As per the CAA all records related to entities of MVAC system services must be maintained for ________________________ years

57. Since _____________ it has been illegal to vent substitutes for CFC 3 and HCFC refrigerants

58. Since _____________ it has been mandatory to recycle HFC-134a as well as any other automotive refrigerant before returning to that MVAC or sold:

59. Montreal Protocol is signed in ________________ by 23 countries including USA

60. T/F Halons were completely phased out by 1994

62. T/F R-134a refrigerant has low solubility in non-polar lubricants

63. Use of Carbon Dioxide (R-744) refrigerant results in a _________________ efficiency

64. R-134a disposable refrigerant cylinder ________________ color coded:

65. Disposable cylinder are manufactured to specifications established by:

66. Disposable cylinders are manufactured from:

67. Recovery cylinders are painted yellow in the shoulder area and ______________ down the side

68. 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

69. T/F Technicians who repair or service HFC-134a MVACs must be trained and certified by an EPA-approved organization

70. The sale of small containers of refrigerant under ________ including the one pound cans are restricted to only people certified in Section 609

71. Average ozone construction in Earth atmosphere as a whole is only about ______________ parts per million

72. T/F Ozone layer is present in both Stratosphere and mesosphere layers of earth atmosphere

73. Which of the following refrigerant has a molecular formula is C2H4F2:

74. 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

75. T/F R-134a is a corrosive refrigerant

76. 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

77. T/F Used Cylinders can be recycled with other scrap metal

78. Refrigeration cylinders must be re-tested at ___________________ intervals

79. Refrigerants may be mixed in recovery cylinders

80. On _______________________ the U.S. EPA enacted the provisions of this agreement into regulations for the United States

81. Persons servicing MVACs do not have this choice they must be certified as ______________ MVAC technicians if they perform the AC service for compensation

82. The AHRI standard now contains the new specification to limit unsaturated impurities in HFC-134a to a maximum level of __________________________

83. One chlorine or bromine radical liberated has the capability to act as a catalyst and breakdown _______________________ number of ozone molecules in stratosphere:

84. Ozone in the Earth stratosphere is created by UV light striking ________________molecule

85. T/F Ozone at ground level is a harmful pollutant

86. 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

87. Chlorine reacts with ozone and converts ozone to:

88. The sale of small containers of refrigerant under __________including the one pound cans are restricted to only people certified in Section 609

89. Section 608 HVAC/R Technicians cannot buy refrigerant in quantities less than ________________

90. According to ____________ service shops must certify to the EPA that they own approved recovery.

91. Skin or eye contact with fluorocarbon refrigerants can result in

92. T/F Refrigerant are lighter than air:

93. Which of the following refrigerants has minimum or zero ozone depletion potential:

94. T/F Most halogenated compounds will decompose at room temperature:

95. T/F Ozone is an unstable molecule:

96. Countries responsible for approximately ____________ of the worlds production capacity for CFCs for CFCs and halons have signed the Montreal Protocol

97. T/F Refrigerants that contain chlorine but not hydrogen are stable

98. HFC-134a contribute to which of the following:

99. Ozone layer extends at Earth altitude between _____________.

100. __________ has developed standards that apply to the recovery and recycling of motor vehicles refrigerant as well as service guidelines for MVAC technicians

101. T/F EPA does require a leak to be repaired prior to recharging a motor vehicle air conditioning system

102. Any person who sells or distributes any Class I or Class II substance in a container of less than _____________ of such refrigerant must verify that the purchaser is Properly Trained and 609 Certified and must retain a record

103. The per the AHRI standard unsaturated impurities in HFC-134a to be limited to a maximum level _______________________:

104. Prior to scrapping MVAC equipment the refrigerant must be recovered to a minimum vacuum of ________________________ of mercury

105. The internal pressure of a refrigerant cylinder with one ounce of liquid refrigerant is ____________________ full cylinder:

106. The empty refillable refrigerant tank must be evacuated to a minimum vacuum of ____________ of mercury

107.____________ is the key agent responsible for stratospheric ozone depletion

108. Which of the following are the causes of Ozone Layer Depletion:

109. 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

110. The _____________ has developed a standard recovery and recovery/ recycling machines that are to be used with flammable refrigerants

111. Which of the following are associated with the risk of depletion of ozone layer

112. T/F The U.S EPA does characterize used refrigerants as hazardous waste

113. Since ______________ it has been illegal to vent substitutes for chlorofluorocarbons (CFC) and hydrochlorofluorocarbons (HCFCs) refrigerants:

114. R-152a refrigerant chemical compound is not composed of which of the following:

115. Purity specification of new recycled or reclaimed R-134a must meet ___________ standard:

116. 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:

117. Refrigerant containers which contain refrigerant more than 20 pounds can be sold to a person who holds ____________

118. Service technicians who violate Clean Air Act provisions can be:

119. Which of the following are most stable in lower atmospheres of Earth:

120. Which of the following is the example of the HFCs