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A2L EXAM 2026 COMPLETE STUDY GUIDE WITH SOLUTIONS
Typology: Exams
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◉ Tools used during the installation or service of systems charged with a flammable refrigerant must be. Answer: Non sparking or certified for use ◉ If the refrigerant is flammable, the basic refrigerant cycle. Answer: Is the same ◉ Equipment with flammable refrigerant requires a ________ colored marking on all process tubes and service connections. Answer: Red ◉ High temp/high pressure refrigerant vapor flows from the compressor into the. Answer: Condenser ◉ The ________ receives a low-pressure/low-temperature refrigerant vapor and discharges a high-pressure /high temp vapor. Answer: Compressor ◉ The ______ is fed high pressure, sub cooled liquid refrigerant and it feeds low pressure low temp liquid to the evaporator. Answer: Metering device
◉ Most compressors require _______________ to operate properly, which is specified by the manufacturer.. Answer: Lubercation ◉ The______is a heat transfer component located on the low-pressure side of the system. Answer: Evaporator ◉ The two types or classes of metering devices are_____ and ________________. Answer: Fitted, adjustable ◉ Additional components that may be installed on the low side of a refrigerant circuit are _____________and______________. Answer: Accumulator, suction line drier ◉ Additional components that may be installed on the high side of a refrigeration circuit are __________and_____________. Answer: Liquid drier,receiver ◉ R-410A has a GWP of______. Answer: 2088 ◉ R-744 (CO2) has a GWP of_____. Answer: 1 ◉ R-404A has a GWP of_______. Answer: 3920 ◉ R-32 has a GWP of_______. Answer: 675