HVAC QUIZ 2 EXAM QUESTIONS AND ANSWERS 100% CORRECT!

Two technicians are discussing AC service. Technician A says each person who performs repairs for consideration involving A/C refrigerant must be trained and certified. Technician B says each piece of equipment that is used to service motor vehicle air conditioners must be approved and certified? Who is correct? - ANSWERBoth Technician A and B Two technicians are discussing storing refrigerant. Technician A says R12 is stored in a sky blue container. Technician B says R134a is stored in a sky blue container. Who is correct? - ANSWERTechnician B only Two technicians are discussing refrigerant service. Technician A says recovery is the process of pulling a vacuum on a system to remove moisture. Technician B says if R-134a is not recovered it will boil, and evaporate into the atmosphere if a system is opened to the atmosphere with refrigerant in it. Who is correct? - ANSWERTechnician B only Technician A says latent heat of evaporation is a liquid changing to a vapor. Technician B says latent heat of condensation is a liquid changing to a vapor. Who is correct? - ANSWERTecnician A only Technician A says heat transfer is always hot to cold. Technician B says high pressure always flows to low pressure. Who is correct? - ANSWERBoth Technician A and B Technician A says heat quantity is measured in British Thermal Units or Calories. Technician B says heat quantity is what we feel. Who is correct? - ANSWERTecnician A only Technician A says refrigerant identification is used to ensure there are no contaminated refrigerant in the AC system. Technician B says refrigerant should be 98% or purer to recover? Who is correct? - ANSWERBoth Technician A and B