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What speeds up the recovery process of a refrigerant? Select all that apply.
Chilling the recovery vessel by placing it on ice
Heating the equipment used for recovery
Recovery equipment using hermetic compressors has the potential to overheat when drawing deep vacuums because ______.
They depend on refrigerant flow for cooling the compressor
What happens to a refrigerant that is heated above the saturation temperature?
It remains in the vapor state.
When you use a recovery unit on a system containing 100 lbs. of R-410A, it must be evacuated to _______.
0 inches of Mercury
Refrigerant should be recovered from the condenser outlet if the condenser is ______.
Below the receiver
A new split system should be checked for leaks by _______.
pressurizing the system with a few ounces of system refrigerant and an inert gas.
When reusing recovery equipment for R-134a, a technician may use which of the following equipment?
Equipment used only for R-134a to prevent cross-contamination
Which of the following refrigerants is classified as a very high-pressure refrigerant?
What’s the desired level of evacuation during refrigerant recovery in the following scenario?
Recovery equipment was manufactured BEFORE November 15, 1993.
The system contains high pressure refrigerant.
Mercury vacuum: 0 under 200 lbs and 4 over 200 lbs
Refrigerants CFC-12, HCFC-22, and HFC-134a are all classified as Type _______ substances.
_______must be known before recovering the refrigerant from the system.
As per EPA, which of the following is considered a major repair?
All of these