Which of the following statements is LEAST-Likely true?
A) R134a refrigerant is compatible with R12 refrigerant.
B) R134a was designed to run in 1994 model year and newer vehicles.
C) The release of R12 into the atmosphere is prohibited by current environmental regulations.
D) R1234yf was chosen as the replacement for R134a.

Question

Quizplus · Accepted Answer

R134a and R12 refrigerants are not directly compatible due to differences in their chemical properties and the type of lubricant they require. R12 systems typically use mineral oil, while R134a systems use synthetic oils. Retrofitting from R12 to R134a requires system modifications.

Which of the Following Statements Is LEAST-Likely True