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Everyone in the disposal chain has the responsibility to ensure the refrigerant has been properly recovered.
The refrigerant that is vented from a graduated charging cylinder _______
must be recovered
The technician should access both the high and low side of the refrigerant recovery system in the passive system-dependent refrigerant recovery process because _______
the system compressor does not run
Vacuum pumps or recovery machines should not be used on equipment that contains hydrogen.
A device is said to be small appliance if _______
it is with a charge of 5 pounds or less
When refrigerant R-500 is recovered from refrigeration appliance, _______
It must be recovered to its own recovery vessel with out mixing anything
The large refrigerant spills can cause breathing problems because __________
Their lighter density property displaces the oxygen in the air
Self-contained active recovery devices will recover the refrigerant faster compared to system dependent recovery devices.
The recovery procedure should not be started if the system pressure is _______ after a piercing access valve is installed or opened.
Never transport refrigerant in a charging cylinder.
It is the responsibility of _______ any future changes after the technician becomes certified.
Technician to comply with
When you use your service manifold to check the refrigeration system pressure, it's best to _______
use recovery equipment to gain access to the refrigeration system during testing
In a small appliance, which of the following refrigerant can be used as a direct service “drop-in” substitute for R-12?
The recovery equipment manufactured after November 1993 must be able to remove _______ of refrigerant from the refrigeration system with compressor operating.
System-dependent recovery device cannot be used for larger appliances which is more than 15 pounds of charge such as a centrifugal air conditioner.