QUESTIONS AND ANSWERS SURE A+
✔✔Which item is not mentioned in the SAE J2099 Standard of refrigerant purity? -
✔✔Sludge
✔✔When it has been determined that an A/C system has a low refrigerant charge, what
should be done? - ✔✔Perform a leak test procedure
✔✔Which item is not mentioned in the SAE J1991 standard of refrigerant purity? -
✔✔Acid
✔✔Which of the following is unlikely to affect refrigerant charge accuracy? - ✔✔A/C
Compressor
✔✔CFC-12 recovery equipment has SAE 3/8-inch service fittings. HFC-134a recovery
equipment has: - ✔✔Quick-couple design
✔✔What is the advantage of using refrigerant identification equipment? - ✔✔Allows the
ability to determine what type of refrigerant is in system