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CFC Certification Practice Test

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CFC Certification Practice Test Manufacturers often color code the exterior of gauges, on a typical gauge manifold set the low pressure gauge is color coded - ✔✔blue Approved refrigerant recovery cylinders can be identified by which colors - ✔✔gray body and yellow top Chlorofluorocarbon (CFC) refrigerants are so named because they contain the elements - ✔✔chlorine, fluorine, carbon What is being done in the U.S. to stop damage to the stratosphere - ✔✔enforcing strict emission requirements on incinerators, capturing and ultimately eliminating use of chlorofluorocarbons, using natural gas instead of coal to generate electricity If a system will not hold a vacuum after it has been evacuated, then - ✔✔the system may be leaking Some state and local governments may establish laws that - ✔✔follow the clean air act and EPA regulations , contain stricter regulations than the clean air act and EPA regulations Each chlorine atom in the stratosphere can destroy how many ozone molecules - ✔✔100,000 Ozone in the stratosphere above the earth consists of - ✔✔molecules containing 3 oxygen atoms Which of the following is/are violations of the clean air act - ✔✔falsifying or failing to keep required records, failing to reach required evacuation levels before opening or disposing appliances, knowingly release CFC or HCFC refrigerants or their substitutes while repairing appliances An award of up to what amount may be paid to a person providing information that leads to a penalty against a technician venting refrigerant - ✔✔10,000 An example of a CFC refrigerant is - ✔✔R-12 Ozone depletion in the stratosphere is what type of problem - ✔✔global Which atom of the CFC molecule causes ozone depletion - ✔✔chlorine All devices used for refrigerant recovery must - ✔✔meet EPA standards Service technicians who violate clean air act provisions - ✔✔may lose their certification, may be required to appear in Federal Court, may be fined Which refrigerants must be recovered before opening or disposing of appliances - ✔✔R-12, R- 500, R-22 The state of the refrigerant leaving the condenser of a system is - ✔✔high pressure liquid Which of the following is an approved "drop in" replacement for R-12 - ✔✔none of the above A refrigerant oil that is hydroscopic - ✔✔readily absorbs moisture Which word applies to the process that returns refrigerant to new product specifications and requires chemical analysis - ✔✔reclaim Under what condition may you use a disposable cylinder to recover refrigerant - ✔✔never While servicing a system, the technician discovers that some R-502 was added to an R-22 system. The technician should - ✔✔recover the refrigerant into a separate tank Over evacuation of a system - ✔✔does not occur A refrigerant label is placed on a - ✔✔refrigerant cylinder to be returned for reclaiming Hydrofluorocarbon (HFC) refrigerants contain - ✔✔hydrogen, fluorine, carbon Chloroflourocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) have which of the following common - ✔✔must be recovered before opening or disposing of appliances Removing refrigerant from a system and storing it in an external container without necessarily testing or processing it in any way defines - ✔✔recovering Hows should refrigerant cylinders be stored when they are shipped - ✔✔upright

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