Question 1
Which part MUST be used when refitting a vehicle from R-12 to R-134a refrigerant?
◦ A new condenser
◦ A new service fitting and a retrofit label
◦ A high pressure cutoff switch
◦ Both B and C
Question 2
Which reading represents the lowest vacuum reading?
◦ 27 in. Hg
◦ 28 in. Hg
◦ 29 in. Hg
◦ 500 microns