EPA 608 Certification Questions with correct answers

appliance Correct Answer - any device that contains and uses a refrigerant for household or commercial purposes, including any air conditioner, refrigerator, or freezer. EPA interprets this definition to include all air conditioning and refrigeration equipment except units designed and uses exclusively for military purposes. Asphyxia Correct Answer - the displacement of oxygen in a room by the denser refrigerant. High- Pressure appliance Correct Answer - an appliance that uses a refrigerant with a liquid saturation or pressure between 170 psia and 335 psia at 104°F. This definition includes but is not limited to appliances using R-401A, R-409A, R-401B, R-411A, R-22, R-411B, R-502, R-402B, R-408A, R-410A and R-402A. Low-Loss Fitting Correct Answer - any device that is intended to establish a connection between hoses, appliance, or recovery/recycle machines, and that is designed to close automatically or to be closed manually when disconnected to minimize the release of refrigerant from hoses, appliances, and recovery/recycling machines. Low Pressure Appliance Correct Answer - an appliance that is uses a refrigerant with a liquid phase saturation pressure below 45 psia at 104° F. This definition includes but is not limited to appliances using R-11, R-123, and R-113. Major Maintenance, Service, or Repair Correct Answer - a service or repair that involves removal of the compressor, condenser, evaporator, or heat exchanger coil.