Type I mock exam, question 12 of 50
Type I mock exam — Core — question 12 of 50
Which lubricant was traditionally used in R-12 CFC refrigeration systems?
You can move on without answering. Unanswered questions are counted as wrong.
Type I mock exam — Core — question 12 of 50
Which lubricant was traditionally used in R-12 CFC refrigeration systems?
You can move on without answering. Unanswered questions are counted as wrong.