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Refrigerants in large quantities can cause suffocation because;

The component of a refrigeration system which changes a high pressure vapor to a high pressure liquid is the:

EPA regulations include which of the following in the definition of a small appliance?

Technicians who perform sealed-system service on small appliances must have;

If, after installing a fitting for the purpose of recovering the appliance’s refrigerant, you find that the system pressure is 0 psig;

Self-contained or active recovery equipment;

Small appliances in recreational vehicles may use refrigerants such as Ammonia, Hydrogen, and water. These refrigerants;

When pressurizing a system with nitrogen you should;

Which process applies to cleaning refrigerant for immediate reuse by oil separation and single or multiple passes through devices ,like replaceable core filter driers, which reduce moisture and acidity?

When a technician works for a company in which the technician does not have a financial interest, the technician does not have to be certified.