EPA 608 study material including (Core, type 1, 2 and 3) with Complete Solutions a vacum pump should be connected - Correct Answer as far away from the pump as possible a high capacity vacuum pump and short, large diameter hoses will - Correct Answer dramatically reduce emissions, pressure drop, and evacuation/dehydration time ozone contains three - Correct Answer oxygen atoms one chlorine atom can destroy - Correct Answer 100,000 ozone molecules CFC's do not dissolve in water and do not breakdown into other compounds that dissolve in water - Correct Answer CFC's cannot be washed out of the lower atmosphere ODP - Correct Answer ozone depletion potential azeotrope - Correct Answer where the mixture behaves like a single chemical (new refrigerant) HFC's will not damage the ozone in the stratosphere - Correct Answer ...in 1992 the united states ordered the stoppage of all CFC production and importation after - Correct Answer December 31, 1995 according to the clean air act, no person installing, maintaining, repairing, or disposing of any appliance may knowingly vent or otherwise release into the environment and class 1 or class 2 substance after - Correct Answer July 1, 1992 class 1 - Correct Answer CFC class 2 - Correct Answer HCFC 1 / 2
it became illegal to vent substitutes for CFC and HCFC refridgerants on - Correct Answer November 15, 1995 any device which contains and uses a class 1 or class 2 substance as a refridgerant and is used for household or commercial purpose. - Correct Answer appliance self contained recovery equipment type - Correct Answer Active system dependent recovery equipment type - Correct Answer Passive only section 609 certified technicians may buy CFC-12 in containers smaller than 20 pounds - Correct Answer ...who must ensure that all refridgerant has been recovered prior to disposal of any appliance - Correct Answer The final person in the disposal chain (scrap metal recycler, landfill owner, ect.) the removal of refridgerant in any condition - Correct Answer Recovery to clean refridgerant by oil seperation, non-condensable removal and single or multiple passes through replaceable filter-driers to reduce moisture, acidity and particulate matter - Correct Answer Recycling a complicated distillation process that returns recovered refridgerant to the purity of factory fresh refridgerant. - Correct Answer Reclaiming (ARI Standard 700) under no circumstance should different refridgerants be - Correct Answer mixed together Currently there is NOT a drop-in for CFC-12 - Correct Answer ...oils that are hygroscopic - Correct Answer Ester based (polyolesters)
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