HVAC CORE EPA

  1. Safety glasses and butyl-lined gloves should be worn for what procedures?
    To avoid spilling liquid refrigerant on the skin,wear butyl-lined gloves and safety glasses when operating recovery or recycling devices and when handling and refilling refrigerant cylinders.
  2. What safety components must be used whenever dry nitrogen is used to pressurize a system?
    Dry nitrogen is typically used in leak testing and purging refrigerant lines.Whenever dry nitrogen is used the container must be equipped with a pressure regulator for safety purposes
  3. Should a recovery be performed on refrigerant lines before they are cut or brazed?
    YES a recovery should be performed prior to any lines being cut or brazed
  4. What happens when oxygen and oil are mixed?
    Oxygen and Oil when mixed can form an extremely explosive mixture
  5. You should never heat a refrigerant storage or recovery tank with what?
    Never heat a refrigerant storage or recovery tank with an open flame or live steam
Author
blackcat
ID
213461
Card Set
HVAC CORE EPA
Description
HVAC Flashcards
Updated