With Correct Solutions.
Which component of CFC refrigerant is the cause of ozone depletion? - CORRECT ANSWER✔✔Chlorine
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pg1
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The Stratospheric Ozone layer protects us from; - CORRECT ANSWER✔✔ultraviolet radiation pg1
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The current standard for recovery only equipment is SAE; - CORRECT ANSWER✔✔J2810 pg3
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When checking a cylinder of recycled HFC-134a for non-condensable gasses at 70F, the pressure should not
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exceed: - CORRECT ANSWER✔✔76 psig pg10
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Section 609 of the Federal Clean Air Act requires that all persons servicing motor vehicle air conditioning
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must; - CORRECT ANSWER✔✔all of the above pg 1
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, After charging a system using manifold gauges, the refrigerant in the hoses; - CORRECT ANSWER✔✔must
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be recovered pg 5
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Recovery cylinders must be; - CORRECT ANSWER✔✔UL or DOT approved
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After initial recovery procedures, the technician should; - CORRECT ANSWER✔✔. wait 5 minutes to
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determine if the system returns to a positive pressure
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Violations of Section 609 of the Clean Air Act may result in; - CORRECT ANSWER✔✔all of the above
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After initial recovery procedure, if additional recovery is required, repeat the recovery process until the A/C
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system vacuum remains stable for; - CORRECT ANSWER✔✔2 minutes
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Before retrofitting a motor vehicle air conditioning system, make sure that the replacement refrigerant is: -
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CORRECT ANSWER✔✔EPA - SNAP approved
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Before charging a system with recycled refrigerant, the refrigerant should be checked for; - CORRECT
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ANSWER✔✔non consensables
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Service hoses must have ________ within 12" (30cm) of the end of the hose. - CORRECT ANSWER✔✔shut
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off valves
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When disposing of an empty or near empty disposable cylinder, you should; - CORRECT ANSWER✔✔all of
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above
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Prior to introducing recovered refrigerant to a motor vehicle; - CORRECT ANSWER✔✔recycle the
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refrigerant to SAE standards (J1991 or J2099)
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