CFC Certification Exam Questions with correct Answers

CFC (R-11, R-12, R-502) - Answer- Chlorine Fluorine Carbon HCFC (R-22, R-123) - Answer- Hydrogen Chlorine Fluorine Carbon HFC (R-134a) - Answer- Hydrogen Fluorine Carbon 3 R's - Answer- recover, recycle, reclaim Recover - Answer- is to remove refrigerant in any condition from a system and store it in an external container Recycle - Answer- is to clean refrigerant for reuse by separating the oil from the refrigerant and removing moisture from the refrigerant by passing it through one or more filter driers Reclaim - Answer- is to process refrigerant to a level equal to new product specifications as determined by chemical analysis. RECLAIMED refrigerant must meet the standard set forth in ARI 700 before it can be resold R-12, R-500, R-502 - Answer- CFC R-22, R-123 - Answer- HCFC R-134a - Answer- HFC Core (universal) - Answer- persons, who maintain, service, or repair both low and high pressure equipment, as well as small appliances,must be certified Universal technicians. Type I - Answer- persons who maintain service or small appliances must be Type I certified. Type II - Answer- Technicians maintaining, servicing, repairing, or disposing of high pressure or very high pressure appliances, except small appliances and motor vehicle air conditioning systems (HVAC) must be certified Type2 or Universal technician Type III - Answer- Technicians maintaining, servicing, repairing or disposing of low pressure appliances must be certified as a type III technician or a universal technician. self contained (active) recovery - Answer- has its own means of removing refrigerant from appliances and is capable of reaching the required recovery rates whether or not the appliance compressor is operable. Dependent (passive) recovery - Answer- process for small appliances captures refrigerant into a non-pressurized container. Nitrogen - Answer- charge through a pressure regulator and insert a relief valve in the downstream line from the pressure regulator.