What is the approximate pressure of a storage cylinder of recovered R-134a that does not contain any non-condensable impurities and is stored in a room where the temperature is 80 F?
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Which of the following refrigerants is very high pressure an…
Which of the following refrigerants is very high pressure and generally does NOT need to be recovered?
what is the primary water source for a water cooled recovery…
what is the primary water source for a water cooled recovery unit’s condensed coil?
What is the maximum allowable factory charge of refrigerant…
What is the maximum allowable factory charge of refrigerant for Type 1 appliances using CFCs, HCFCs, or HFCs?
Which of the following statements about recycling and recove…
Which of the following statements about recycling and recovery equipment used for stationary refrigeration is FALSE?
which condition requires accessing both the high and low sid…
which condition requires accessing both the high and low side of the system for refrigerant recovery when using the system-dependent (passive) recovery process?
What type of appliances are technicians certified to charge…
What type of appliances are technicians certified to charge and open after passing the Type 1 examination?
Excessive running of a purge system on a low-pressure chille…
Excessive running of a purge system on a low-pressure chiller generally indicates what condition?
Which of the following is NOT required for an appliance that…
Which of the following is NOT required for an appliance that is using an ozone-depleting refrigerant to be mothballed (thereby extending the leak repair deadline)?
Which of the following refrigerants has the lowest ozone dep…
Which of the following refrigerants has the lowest ozone depletion potential?