Which type of condenser uses a fan to push air across the condenser?
A) An induced-draft air-cooled condenser B) A packaged air-cooled condenser
C) A natural-draft air-cooled condenser D) A forced-draft air-cooled condenser
Question 2
Refrigerants with the highest ozone depletion potential are:
A) HFCs - hydrofluorocarbons. B) HCs - hydrocarbons.
C) CFCs - chlorofluorocarbons . D) HCFCs - hydrochlorofluoroca rbons.